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Imported Upstream version 5.18.0.167
Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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commit
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@ -1,139 +0,0 @@
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; RUN: opt < %s -callsite-splitting -S | FileCheck %s
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; RUN: opt < %s -passes='function(callsite-splitting)' -S | FileCheck %s
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; CHECK-LABEL: @test_simple
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; CHECK-LABEL: Header:
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; CHECK-NEXT: br i1 undef, label %Tail.predBB1.split
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; CHECK-LABEL: TBB:
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; CHECK: br i1 %cmp, label %Tail.predBB2.split
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; CHECK-LABEL: Tail.predBB1.split:
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; CHECK: %[[CALL1:.*]] = call i32 @callee(i32* %a, i32 %v, i32 %p)
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; CHECK-LABEL: Tail.predBB2.split:
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; CHECK: %[[CALL2:.*]] = call i32 @callee(i32* null, i32 %v, i32 %p)
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; CHECK-LABEL: Tail
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; CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Tail.predBB1.split ], [ %[[CALL2]], %Tail.predBB2.split ]
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; CHECK: ret i32 %[[MERGED]]
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define i32 @test_simple(i32* %a, i32 %v, i32 %p) {
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Header:
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br i1 undef, label %Tail, label %End
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TBB:
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%cmp = icmp eq i32* %a, null
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br i1 %cmp, label %Tail, label %End
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Tail:
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%r = call i32 @callee(i32* %a, i32 %v, i32 %p)
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ret i32 %r
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End:
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ret i32 %v
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}
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; CHECK-LABEL: @test_eq_eq_eq_untaken
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; CHECK-LABEL: Header:
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; CHECK: br i1 %tobool1, label %TBB1, label %Tail.predBB1.split
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; CHECK-LABEL: TBB2:
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; CHECK: br i1 %cmp2, label %Tail.predBB2.split, label %End
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; CHECK-LABEL: Tail.predBB1.split:
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; CHECK: %[[CALL1:.*]] = call i32 @callee(i32* nonnull %a, i32 %v, i32 %p)
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; CHECK-LABEL: Tail.predBB2.split:
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; CHECK: %[[CALL2:.*]] = call i32 @callee(i32* null, i32 1, i32 99)
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; CHECK-LABEL: Tail
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; CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Tail.predBB1.split ], [ %[[CALL2]], %Tail.predBB2.split ]
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; CHECK: ret i32 %[[MERGED]]
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define i32 @test_eq_eq_eq_untaken2(i32* %a, i32 %v, i32 %p) {
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Header:
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%tobool1 = icmp eq i32* %a, null
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br i1 %tobool1, label %TBB1, label %Tail
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TBB1:
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%cmp1 = icmp eq i32 %v, 1
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br i1 %cmp1, label %TBB2, label %End
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TBB2:
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%cmp2 = icmp eq i32 %p, 99
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br i1 %cmp2, label %Tail, label %End
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Tail:
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%r = call i32 @callee(i32* %a, i32 %v, i32 %p)
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ret i32 %r
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End:
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ret i32 %v
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}
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; CHECK-LABEL: @test_eq_ne_eq_untaken
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; CHECK-LABEL: Header:
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; CHECK: br i1 %tobool1, label %TBB1, label %Tail.predBB1.split
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; CHECK-LABEL: TBB2:
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; CHECK: br i1 %cmp2, label %Tail.predBB2.split, label %End
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; CHECK-LABEL: Tail.predBB1.split:
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; CHECK: %[[CALL1:.*]] = call i32 @callee(i32* nonnull %a, i32 %v, i32 %p)
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; CHECK-LABEL: Tail.predBB2.split:
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; CHECK: %[[CALL2:.*]] = call i32 @callee(i32* null, i32 %v, i32 99)
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; CHECK-LABEL: Tail
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; CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Tail.predBB1.split ], [ %[[CALL2]], %Tail.predBB2.split ]
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; CHECK: ret i32 %[[MERGED]]
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define i32 @test_eq_ne_eq_untaken(i32* %a, i32 %v, i32 %p) {
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Header:
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%tobool1 = icmp eq i32* %a, null
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br i1 %tobool1, label %TBB1, label %Tail
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TBB1:
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%cmp1 = icmp ne i32 %v, 1
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br i1 %cmp1, label %TBB2, label %End
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TBB2:
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%cmp2 = icmp eq i32 %p, 99
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br i1 %cmp2, label %Tail, label %End
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Tail:
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%r = call i32 @callee(i32* %a, i32 %v, i32 %p)
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ret i32 %r
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End:
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ret i32 %v
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}
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; CHECK-LABEL: @test_header_header2_tbb
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; CHECK: Header2:
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; CHECK:br i1 %tobool2, label %Tail.predBB1.split, label %TBB1
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; CHECK-LABEL: TBB2:
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; CHECK: br i1 %cmp2, label %Tail.predBB2.split, label %End
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; CHECK-LABEL: Tail.predBB1.split:
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; CHECK: %[[CALL1:.*]] = call i32 @callee(i32* nonnull %a, i32 %v, i32 10)
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; CHECK-LABEL: Tail.predBB2.split:
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; NOTE: CallSiteSplitting cannot infer that %a is null here, as it currently
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; only supports recording conditions along a single predecessor path.
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; CHECK: %[[CALL2:.*]] = call i32 @callee(i32* %a, i32 1, i32 99)
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; CHECK-LABEL: Tail
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; CHECK: %[[MERGED:.*]] = phi i32 [ %[[CALL1]], %Tail.predBB1.split ], [ %[[CALL2]], %Tail.predBB2.split ]
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; CHECK: ret i32 %[[MERGED]]
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define i32 @test_header_header2_tbb(i32* %a, i32 %v, i32 %p) {
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Header:
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%tobool1 = icmp eq i32* %a, null
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br i1 %tobool1, label %TBB1, label %Header2
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Header2:
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%tobool2 = icmp eq i32 %p, 10
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br i1 %tobool2, label %Tail, label %TBB1
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TBB1:
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%cmp1 = icmp eq i32 %v, 1
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br i1 %cmp1, label %TBB2, label %End
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TBB2:
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%cmp2 = icmp eq i32 %p, 99
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br i1 %cmp2, label %Tail, label %End
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Tail:
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%r = call i32 @callee(i32* %a, i32 %v, i32 %p)
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ret i32 %r
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End:
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ret i32 %v
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}
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define i32 @callee(i32* %a, i32 %v, i32 %p) {
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ret i32 10
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}
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@ -1,42 +0,0 @@
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; RUN: opt < %s -callsite-splitting -S | FileCheck %s
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; RUN: opt < %s -passes='function(callsite-splitting)' -S | FileCheck %s
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define i32 @callee(i32*, i32, i32) {
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ret i32 10
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}
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; CHECK-LABEL: @test_preds_equal
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; CHECK-NOT: split
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; CHECK: br i1 %cmp, label %Tail, label %Tail
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define i32 @test_preds_equal(i32* %a, i32 %v, i32 %p) {
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TBB:
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%cmp = icmp eq i32* %a, null
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br i1 %cmp, label %Tail, label %Tail
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Tail:
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%r = call i32 @callee(i32* %a, i32 %v, i32 %p)
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ret i32 %r
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}
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define void @fn1(i16 %p1) {
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entry:
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ret void
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}
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define void @fn2() {
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ret void
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; Unreachable code below
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for.inc: ; preds = %for.inc
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br i1 undef, label %for.end6, label %for.inc
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for.end6: ; preds = %for.inc
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br i1 undef, label %lor.rhs, label %lor.end
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lor.rhs: ; preds = %for.end6
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br label %lor.end
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lor.end: ; preds = %for.end6, %lor.rhs
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call void @fn1(i16 0)
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ret void
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}
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@ -1,57 +0,0 @@
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; RUN: opt -S -callsite-splitting -o - < %s | FileCheck %s
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; RUN: opt -S -strip-debug -callsite-splitting -o - < %s | FileCheck %s
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define internal i16 @bar(i16 %p1, i16 %p2) {
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%_tmp3 = mul i16 %p2, %p1
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ret i16 %_tmp3
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}
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define i16 @foo(i16 %in) {
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bb0:
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br label %bb1
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bb1:
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%0 = icmp ne i16 %in, 0
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br i1 %0, label %bb2, label %CallsiteBB
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bb2:
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br label %CallsiteBB
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CallsiteBB:
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%1 = phi i16 [ 0, %bb1 ], [ 1, %bb2 ]
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%c = phi i16 [ 2, %bb1 ], [ 3, %bb2 ]
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call void @llvm.dbg.value(metadata i16 %c, metadata !7, metadata !DIExpression()), !dbg !8
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%2 = call i16 @bar(i16 %1, i16 5)
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ret i16 %2
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}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #0
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attributes #0 = { nounwind readnone speculatable }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2, !3}
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!llvm.ident = !{!4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "My Compiler")
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!1 = !DIFile(filename: "foo.c", directory: "/bar")
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!2 = !{i32 2, !"Dwarf Version", i32 4}
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!3 = !{i32 2, !"Debug Info Version", i32 3}
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!4 = !{!"My Compiler"}
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!5 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed)
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!6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 4, unit: !0)
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!7 = !DILocalVariable(name: "c", scope: !6, line: 5, type: !5)
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!8 = !DILocation(line: 5, column: 7, scope: !6)
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; The optimization should trigger even in the presence of the dbg.value in
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; CallSiteBB.
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; CHECK-LABEL: @foo
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; CHECK-LABEL: CallsiteBB.predBB1.split:
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; CHECK: [[TMP1:%[0-9]+]] = call i16 @bar(i16 1, i16 5)
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; CHECK-LABEL: CallsiteBB.predBB2.split:
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; CHECK: [[TMP2:%[0-9]+]] = call i16 @bar(i16 0, i16 5)
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; CHECK-LABEL: CallsiteBB
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; CHECK: %phi.call = phi i16 [ [[TMP1]], %CallsiteBB.predBB1.split ], [ [[TMP2]], %CallsiteBB.predBB2.split
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File diff suppressed because it is too large
Load Diff
@ -1,119 +0,0 @@
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; RUN: opt < %s -callsite-splitting -inline -instcombine -jump-threading -S | FileCheck %s
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; RUN: opt < %s -passes='function(callsite-splitting),cgscc(inline),function(instcombine,jump-threading)' -S | FileCheck %s
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-linaro-linux-gnueabi"
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%struct.bitmap = type { i32, %struct.bitmap* }
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;CHECK-LABEL: @caller
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;CHECK-LABEL: NextCond:
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;CHECK: br {{.*}} label %callee.exit
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;CHECK-LABEL: CallSiteBB.predBB1.split:
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;CHECK: call void @callee(%struct.bitmap* null, %struct.bitmap* null, %struct.bitmap* %b_elt, i1 false)
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;CHECK-LABEL: callee.exit:
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;CHECK: call void @dummy2(%struct.bitmap* %a_elt)
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define void @caller(i1 %c, %struct.bitmap* %a_elt, %struct.bitmap* %b_elt) {
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entry:
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br label %Top
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Top:
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%tobool1 = icmp eq %struct.bitmap* %a_elt, null
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br i1 %tobool1, label %CallSiteBB, label %NextCond
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NextCond:
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%cmp = icmp ne %struct.bitmap* %b_elt, null
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br i1 %cmp, label %CallSiteBB, label %End
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CallSiteBB:
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%p = phi i1 [0, %Top], [%c, %NextCond]
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call void @callee(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %b_elt, i1 %p)
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br label %End
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End:
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ret void
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}
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define void @callee(%struct.bitmap* %dst_elt, %struct.bitmap* %a_elt, %struct.bitmap* %b_elt, i1 %c) {
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entry:
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%tobool = icmp ne %struct.bitmap* %a_elt, null
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%tobool1 = icmp ne %struct.bitmap* %b_elt, null
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%or.cond = and i1 %tobool, %tobool1
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br i1 %or.cond, label %Cond, label %Big
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Cond:
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%cmp = icmp eq %struct.bitmap* %dst_elt, %a_elt
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br i1 %cmp, label %Small, label %Big
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Small:
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call void @dummy2(%struct.bitmap* %a_elt)
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br label %End
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Big:
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call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
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call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
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call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
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call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
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call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
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call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
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call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
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br label %End
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End:
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ret void
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}
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declare void @dummy2(%struct.bitmap*)
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declare void @dummy1(%struct.bitmap*, %struct.bitmap*, %struct.bitmap*, %struct.bitmap*, %struct.bitmap*, %struct.bitmap*)
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;CHECK-LABEL: @caller2
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;CHECK-LABEL: CallSiteBB.predBB1.split:
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;CHECK: call void @dummy3()
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;CHECK-LABEL: CallSiteBB.predBB2.split:
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;CHECK: call void @dummy4()
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;CheCK-LABEL: CallSiteBB:
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;CHECK: %phi.call = phi i1 [ true, %CallSiteBB.predBB1.split ], [ false, %CallSiteBB.predBB2.split ]
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;CHECK: call void @foo(i1 %phi.call)
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define void @caller2(i1 %c, %struct.bitmap* %a_elt, %struct.bitmap* %b_elt, %struct.bitmap* %c_elt) {
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entry:
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br label %Top
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Top:
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%tobool1 = icmp eq %struct.bitmap* %a_elt, %b_elt
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br i1 %tobool1, label %CallSiteBB, label %NextCond
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NextCond:
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%cmp = icmp ne %struct.bitmap* %b_elt, %c_elt
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br i1 %cmp, label %CallSiteBB, label %End
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CallSiteBB:
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%phi = phi i1 [0, %Top],[1, %NextCond]
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%u = call i1 @callee2(i1 %phi)
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call void @foo(i1 %u)
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br label %End
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End:
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ret void
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}
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define i1 @callee2(i1 %b) {
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entry:
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br i1 %b, label %BB1, label %BB2
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BB1:
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call void @dummy3()
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br label %End
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BB2:
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call void @dummy4()
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br label %End
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End:
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ret i1 %b
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}
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declare void @dummy3()
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declare void @dummy4()
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declare void @foo(i1)
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@ -1,109 +0,0 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -callsite-splitting -S | FileCheck %s
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define i8* @caller(i8* %a, i8* %b) {
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; CHECK-LABEL: @caller(
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; CHECK-NEXT: Top:
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; CHECK-NEXT: [[C:%.*]] = icmp eq i8* [[A:%.*]], null
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; CHECK-NEXT: br i1 [[C]], label [[TAIL_PREDBB1_SPLIT:%.*]], label [[TBB:%.*]]
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; CHECK: TBB:
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; CHECK-NEXT: [[C2:%.*]] = icmp eq i8* [[B:%.*]], null
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; CHECK-NEXT: br i1 [[C2]], label [[TAIL_PREDBB2_SPLIT:%.*]], label [[END:%.*]]
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; CHECK: Tail.predBB1.split:
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; CHECK-NEXT: [[TMP0:%.*]] = musttail call i8* @callee(i8* null, i8* [[B]])
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; CHECK-NEXT: [[CB1:%.*]] = bitcast i8* [[TMP0]] to i8*
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; CHECK-NEXT: ret i8* [[CB1]]
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; CHECK: Tail.predBB2.split:
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = musttail call i8* @callee(i8* nonnull [[A]], i8* null)
|
||||
; CHECK-NEXT: [[CB2:%.*]] = bitcast i8* [[TMP1]] to i8*
|
||||
; CHECK-NEXT: ret i8* [[CB2]]
|
||||
; CHECK: End:
|
||||
; CHECK-NEXT: ret i8* null
|
||||
;
|
||||
Top:
|
||||
%c = icmp eq i8* %a, null
|
||||
br i1 %c, label %Tail, label %TBB
|
||||
TBB:
|
||||
%c2 = icmp eq i8* %b, null
|
||||
br i1 %c2, label %Tail, label %End
|
||||
Tail:
|
||||
%ca = musttail call i8* @callee(i8* %a, i8* %b)
|
||||
%cb = bitcast i8* %ca to i8*
|
||||
ret i8* %cb
|
||||
End:
|
||||
ret i8* null
|
||||
}
|
||||
|
||||
define i8* @callee(i8* %a, i8* %b) noinline {
|
||||
; CHECK-LABEL: define i8* @callee(
|
||||
; CHECK-NEXT: ret i8* [[A:%.*]]
|
||||
;
|
||||
ret i8* %a
|
||||
}
|
||||
|
||||
define i8* @no_cast_caller(i8* %a, i8* %b) {
|
||||
; CHECK-LABEL: @no_cast_caller(
|
||||
; CHECK-NEXT: Top:
|
||||
; CHECK-NEXT: [[C:%.*]] = icmp eq i8* [[A:%.*]], null
|
||||
; CHECK-NEXT: br i1 [[C]], label [[TAIL_PREDBB1_SPLIT:%.*]], label [[TBB:%.*]]
|
||||
; CHECK: TBB:
|
||||
; CHECK-NEXT: [[C2:%.*]] = icmp eq i8* [[B:%.*]], null
|
||||
; CHECK-NEXT: br i1 [[C2]], label [[TAIL_PREDBB2_SPLIT:%.*]], label [[END:%.*]]
|
||||
; CHECK: Tail.predBB1.split:
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = musttail call i8* @callee(i8* null, i8* [[B]])
|
||||
; CHECK-NEXT: ret i8* [[TMP0]]
|
||||
; CHECK: Tail.predBB2.split:
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = musttail call i8* @callee(i8* nonnull [[A]], i8* null)
|
||||
; CHECK-NEXT: ret i8* [[TMP1]]
|
||||
; CHECK: End:
|
||||
; CHECK-NEXT: ret i8* null
|
||||
;
|
||||
Top:
|
||||
%c = icmp eq i8* %a, null
|
||||
br i1 %c, label %Tail, label %TBB
|
||||
TBB:
|
||||
%c2 = icmp eq i8* %b, null
|
||||
br i1 %c2, label %Tail, label %End
|
||||
Tail:
|
||||
%ca = musttail call i8* @callee(i8* %a, i8* %b)
|
||||
ret i8* %ca
|
||||
End:
|
||||
ret i8* null
|
||||
}
|
||||
|
||||
define void @void_caller(i8* %a, i8* %b) {
|
||||
; CHECK-LABEL: @void_caller(
|
||||
; CHECK-NEXT: Top:
|
||||
; CHECK-NEXT: [[C:%.*]] = icmp eq i8* [[A:%.*]], null
|
||||
; CHECK-NEXT: br i1 [[C]], label [[TAIL_PREDBB1_SPLIT:%.*]], label [[TBB:%.*]]
|
||||
; CHECK: TBB:
|
||||
; CHECK-NEXT: [[C2:%.*]] = icmp eq i8* [[B:%.*]], null
|
||||
; CHECK-NEXT: br i1 [[C2]], label [[TAIL_PREDBB2_SPLIT:%.*]], label [[END:%.*]]
|
||||
; CHECK: Tail.predBB1.split:
|
||||
; CHECK-NEXT: musttail call void @void_callee(i8* null, i8* [[B]])
|
||||
; CHECK-NEXT: ret void
|
||||
; CHECK: Tail.predBB2.split:
|
||||
; CHECK-NEXT: musttail call void @void_callee(i8* nonnull [[A]], i8* null)
|
||||
; CHECK-NEXT: ret void
|
||||
; CHECK: End:
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
Top:
|
||||
%c = icmp eq i8* %a, null
|
||||
br i1 %c, label %Tail, label %TBB
|
||||
TBB:
|
||||
%c2 = icmp eq i8* %b, null
|
||||
br i1 %c2, label %Tail, label %End
|
||||
Tail:
|
||||
musttail call void @void_callee(i8* %a, i8* %b)
|
||||
ret void
|
||||
End:
|
||||
ret void
|
||||
}
|
||||
|
||||
define void @void_callee(i8* %a, i8* %b) noinline {
|
||||
; CHECK-LABEL: define void @void_callee(
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
ret void
|
||||
}
|
||||
Reference in New Issue
Block a user