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Imported Upstream version 5.18.0.207
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external/llvm/test/Transforms/NewGVN/condprop.ll
vendored
252
external/llvm/test/Transforms/NewGVN/condprop.ll
vendored
@ -1,252 +0,0 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -basicaa -newgvn -S | FileCheck %s
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declare void @foo(i1)
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declare void @bar(i32)
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define void @test3(i32 %x, i32 %y) {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: [[XZ:%.*]] = icmp eq i32 [[X:%.*]], 0
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; CHECK-NEXT: [[YZ:%.*]] = icmp eq i32 [[Y:%.*]], 0
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; CHECK-NEXT: [[Z:%.*]] = and i1 [[XZ]], [[YZ]]
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; CHECK-NEXT: br i1 [[Z]], label [[BOTH_ZERO:%.*]], label [[NOPE:%.*]]
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; CHECK: both_zero:
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; CHECK-NEXT: call void @foo(i1 true)
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; CHECK-NEXT: call void @foo(i1 true)
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; CHECK-NEXT: call void @bar(i32 0)
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; CHECK-NEXT: call void @bar(i32 0)
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; CHECK-NEXT: ret void
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; CHECK: nope:
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; CHECK-NEXT: call void @foo(i1 false)
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; CHECK-NEXT: ret void
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;
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%xz = icmp eq i32 %x, 0
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%yz = icmp eq i32 %y, 0
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%z = and i1 %xz, %yz
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br i1 %z, label %both_zero, label %nope
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both_zero:
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call void @foo(i1 %xz)
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call void @foo(i1 %yz)
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call void @bar(i32 %x)
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call void @bar(i32 %y)
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ret void
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nope:
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call void @foo(i1 %z)
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ret void
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}
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define void @test4(i1 %b, i32 %x) {
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: br i1 [[B:%.*]], label [[SW:%.*]], label [[CASE3:%.*]]
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; CHECK: sw:
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; CHECK-NEXT: switch i32 [[X:%.*]], label [[DEFAULT:%.*]] [
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; CHECK-NEXT: i32 0, label [[CASE0:%.*]]
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; CHECK-NEXT: i32 1, label [[CASE1:%.*]]
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; CHECK-NEXT: i32 2, label [[CASE0]]
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; CHECK-NEXT: i32 3, label [[CASE3]]
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; CHECK-NEXT: i32 4, label [[DEFAULT]]
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; CHECK-NEXT: ]
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; CHECK: default:
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; CHECK-NEXT: call void @bar(i32 [[X]])
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; CHECK-NEXT: ret void
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; CHECK: case0:
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; CHECK-NEXT: call void @bar(i32 [[X]])
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; CHECK-NEXT: ret void
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; CHECK: case1:
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; CHECK-NEXT: call void @bar(i32 1)
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; CHECK-NEXT: ret void
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; CHECK: case3:
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; CHECK-NEXT: call void @bar(i32 [[X]])
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; CHECK-NEXT: ret void
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;
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br i1 %b, label %sw, label %case3
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sw:
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switch i32 %x, label %default [
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i32 0, label %case0
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i32 1, label %case1
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i32 2, label %case0
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i32 3, label %case3
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i32 4, label %default
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]
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default:
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call void @bar(i32 %x)
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ret void
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case0:
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call void @bar(i32 %x)
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ret void
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case1:
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call void @bar(i32 %x)
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ret void
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case3:
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call void @bar(i32 %x)
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ret void
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}
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define i1 @test5(i32 %x, i32 %y) {
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: br i1 [[CMP]], label [[SAME:%.*]], label [[DIFFERENT:%.*]]
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; CHECK: same:
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; CHECK-NEXT: ret i1 false
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; CHECK: different:
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; CHECK-NEXT: ret i1 false
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;
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%cmp = icmp eq i32 %x, %y
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br i1 %cmp, label %same, label %different
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same:
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%cmp2 = icmp ne i32 %x, %y
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ret i1 %cmp2
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different:
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%cmp3 = icmp eq i32 %x, %y
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ret i1 %cmp3
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}
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define i1 @test7(i32 %x, i32 %y) {
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; CHECK-LABEL: @test7(
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: br i1 [[CMP]], label [[SAME:%.*]], label [[DIFFERENT:%.*]]
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; CHECK: same:
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; CHECK-NEXT: ret i1 false
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; CHECK: different:
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; CHECK-NEXT: ret i1 false
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;
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%cmp = icmp sgt i32 %x, %y
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br i1 %cmp, label %same, label %different
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same:
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%cmp2 = icmp sle i32 %x, %y
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ret i1 %cmp2
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different:
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%cmp3 = icmp sgt i32 %x, %y
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ret i1 %cmp3
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}
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define i1 @test7_fp(float %x, float %y) {
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; CHECK-LABEL: @test7_fp(
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; CHECK-NEXT: [[CMP:%.*]] = fcmp ogt float [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: br i1 [[CMP]], label [[SAME:%.*]], label [[DIFFERENT:%.*]]
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; CHECK: same:
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; CHECK-NEXT: ret i1 false
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; CHECK: different:
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; CHECK-NEXT: ret i1 false
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;
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%cmp = fcmp ogt float %x, %y
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br i1 %cmp, label %same, label %different
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same:
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%cmp2 = fcmp ule float %x, %y
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ret i1 %cmp2
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different:
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%cmp3 = fcmp ogt float %x, %y
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ret i1 %cmp3
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}
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; PR1768
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define i32 @test9(i32 %i, i32 %j) {
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; CHECK-LABEL: @test9(
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[I:%.*]], [[J:%.*]]
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; CHECK-NEXT: br i1 [[CMP]], label [[COND_TRUE:%.*]], label [[RET:%.*]]
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; CHECK: cond_true:
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; CHECK-NEXT: ret i32 0
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; CHECK: ret:
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; CHECK-NEXT: ret i32 5
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;
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%cmp = icmp eq i32 %i, %j
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br i1 %cmp, label %cond_true, label %ret
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cond_true:
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%diff = sub i32 %i, %j
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ret i32 %diff
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ret:
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ret i32 5
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}
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; PR1768
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define i32 @test10(i32 %j, i32 %i) {
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; CHECK-LABEL: @test10(
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[I:%.*]], [[J:%.*]]
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; CHECK-NEXT: br i1 [[CMP]], label [[COND_TRUE:%.*]], label [[RET:%.*]]
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; CHECK: cond_true:
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; CHECK-NEXT: ret i32 0
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; CHECK: ret:
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; CHECK-NEXT: ret i32 5
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;
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%cmp = icmp eq i32 %i, %j
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br i1 %cmp, label %cond_true, label %ret
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cond_true:
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%diff = sub i32 %i, %j
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ret i32 %diff
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ret:
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ret i32 5
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}
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declare i32 @yogibar()
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define i32 @test11(i32 %x) {
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; CHECK-LABEL: @test11(
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; CHECK-NEXT: [[V0:%.*]] = call i32 @yogibar()
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; CHECK-NEXT: [[V1:%.*]] = call i32 @yogibar()
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[V0]], [[V1]]
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; CHECK-NEXT: br i1 [[CMP]], label [[COND_TRUE:%.*]], label [[NEXT:%.*]]
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; CHECK: cond_true:
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; CHECK-NEXT: ret i32 [[V0]]
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; CHECK: next:
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; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[X:%.*]], [[V0]]
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; CHECK-NEXT: br i1 [[CMP2]], label [[COND_TRUE2:%.*]], label [[NEXT2:%.*]]
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; CHECK: cond_true2:
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; CHECK-NEXT: ret i32 [[X]]
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; CHECK: next2:
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; CHECK-NEXT: ret i32 0
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;
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%v0 = call i32 @yogibar()
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%v1 = call i32 @yogibar()
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%cmp = icmp eq i32 %v0, %v1
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br i1 %cmp, label %cond_true, label %next
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cond_true:
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ret i32 %v1
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next:
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%cmp2 = icmp eq i32 %x, %v0
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br i1 %cmp2, label %cond_true2, label %next2
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cond_true2:
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ret i32 %v0
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next2:
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ret i32 0
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}
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define i32 @test12(i32 %x) {
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; CHECK-LABEL: @test12(
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], 0
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; CHECK-NEXT: br i1 [[CMP]], label [[COND_TRUE:%.*]], label [[COND_FALSE:%.*]]
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; CHECK: cond_true:
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; CHECK-NEXT: br label [[RET:%.*]]
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; CHECK: cond_false:
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; CHECK-NEXT: br label [[RET]]
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; CHECK: ret:
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; CHECK-NEXT: [[RES:%.*]] = phi i32 [ 0, [[COND_TRUE]] ], [ [[X]], [[COND_FALSE]] ]
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; CHECK-NEXT: ret i32 [[RES]]
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;
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%cmp = icmp eq i32 %x, 0
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br i1 %cmp, label %cond_true, label %cond_false
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cond_true:
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br label %ret
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cond_false:
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br label %ret
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ret:
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%res = phi i32 [ %x, %cond_true ], [ %x, %cond_false ]
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ret i32 %res
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}
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