Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/Transforms/JumpThreading/implied-cond.ll

@@ -1,177 +0,0 @@
-; RUN: opt -jump-threading -S < %s | FileCheck %s
-
-declare void @side_effect(i32)
-
-define void @test0(i32 %i, i32 %len) {
-; CHECK-LABEL: @test0(
- entry:
-  call void @side_effect(i32 0)
-  %i.inc = add nuw i32 %i, 1
-  %c0 = icmp ult i32 %i.inc, %len
-  br i1 %c0, label %left, label %right
-
- left:
-; CHECK: entry:
-; CHECK: br i1 %c0, label %left0, label %right
-
-; CHECK: left0:
-; CHECK: call void @side_effect
-; CHECK-NOT: br i1 %c1
-; CHECK: call void @side_effect
-  call void @side_effect(i32 0)
-  %c1 = icmp ult i32 %i, %len
-  br i1 %c1, label %left0, label %right
-
- left0:
-  call void @side_effect(i32 0)
-  ret void
-
- right:
-  %t = phi i32 [ 1, %left ], [ 2, %entry ]
-  call void @side_effect(i32 %t)
-  ret void
-}
-
-define void @test1(i32 %i, i32 %len) {
-; CHECK-LABEL: @test1(
- entry:
-  call void @side_effect(i32 0)
-  %i.inc = add nsw i32 %i, 1
-  %c0 = icmp slt i32 %i.inc, %len
-  br i1 %c0, label %left, label %right
-
- left:
-; CHECK: entry:
-; CHECK: br i1 %c0, label %left0, label %right
-
-; CHECK: left0:
-; CHECK: call void @side_effect
-; CHECK-NOT: br i1 %c1
-; CHECK: call void @side_effect
-  call void @side_effect(i32 0)
-  %c1 = icmp slt i32 %i, %len
-  br i1 %c1, label %left0, label %right
-
- left0:
-  call void @side_effect(i32 0)
-  ret void
-
- right:
-  %t = phi i32 [ 1, %left ], [ 2, %entry ]
-  call void @side_effect(i32 %t)
-  ret void
-}
-
-define void @test2(i32 %i, i32 %len, i1* %c.ptr) {
-; CHECK-LABEL: @test2(
-
-; CHECK: entry:
-; CHECK: br i1 %c0, label %cont, label %right
-; CHECK: cont:
-; CHECK: br i1 %c, label %left0, label %right
-; CHECK: left0:
-; CHECK: call void @side_effect(i32 0)
-; CHECK: call void @side_effect(i32 0)
- entry:
-  call void @side_effect(i32 0)
-  %i.inc = add nsw i32 %i, 1
-  %c0 = icmp slt i32 %i.inc, %len
-  br i1 %c0, label %cont, label %right
-
- cont:
-  %c = load i1, i1* %c.ptr
-  br i1 %c, label %left, label %right
-
- left:
-  call void @side_effect(i32 0)
-  %c1 = icmp slt i32 %i, %len
-  br i1 %c1, label %left0, label %right
-
- left0:
-  call void @side_effect(i32 0)
-  ret void
-
- right:
-  %t = phi i32 [ 1, %left ], [ 2, %entry ], [ 3, %cont ]
-  call void @side_effect(i32 %t)
-  ret void
-}
-
-; A s<= B implies A s> B is false.
-; CHECK-LABEL: @test3(
-; CHECK: entry:
-; CHECK: br i1 %cmp, label %if.end, label %if.end3
-; CHECK-NOT: br i1 %cmp1, label %if.then2, label %if.end
-; CHECK-NOT: call void @side_effect(i32 0)
-; CHECK: br label %if.end3
-; CHECK: ret void
-
-define void @test3(i32 %a, i32 %b) {
-entry:
-  %cmp = icmp sle i32 %a, %b
-  br i1 %cmp, label %if.then, label %if.end3
-
-if.then:
-  %cmp1 = icmp sgt i32 %a, %b
-  br i1 %cmp1, label %if.then2, label %if.end
-
-if.then2:
-  call void @side_effect(i32 0)
-  br label %if.end
-
-if.end:
-  br label %if.end3
-
-if.end3:
-  ret void
-}
-
-declare void @is(i1)
-
-; If A >=s B is false then A <=s B is implied true.
-; CHECK-LABEL: @test_sge_sle
-; CHECK: call void @is(i1 true)
-; CHECK-NOT: call void @is(i1 false)
-define void @test_sge_sle(i32 %a, i32 %b) {
-  %cmp1 = icmp sge i32 %a, %b
-  br i1 %cmp1, label %untaken, label %taken
-
-taken:
-  %cmp2 = icmp sle i32 %a, %b
-  br i1 %cmp2, label %istrue, label %isfalse
-
-istrue:
-  call void @is(i1 true)
-  ret void
-
-isfalse:
-  call void @is(i1 false)
-  ret void
-
-untaken:
-  ret void
-}
-
-; If A <=s B is false then A <=s B is implied false.
-; CHECK-LABEL: @test_sle_sle
-; CHECK-NOT: call void @is(i1 true)
-; CHECK: call void @is(i1 false)
-define void @test_sle_sle(i32 %a, i32 %b) {
-  %cmp1 = icmp sle i32 %a, %b
-  br i1 %cmp1, label %untaken, label %taken
-
-taken:
-  %cmp2 = icmp sle i32 %a, %b
-  br i1 %cmp2, label %istrue, label %isfalse
-
-istrue:
-  call void @is(i1 true)
-  ret void
-
-isfalse:
-  call void @is(i1 false)
-  ret void
-
-untaken:
-  ret void
-}