File: basic.ll

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llvm-toolchain-18 1%3A18.1.8-18
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; RUN: opt < %s -disable-output -passes='print<assumptions>' 2>&1 | FileCheck %s

target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"

declare void @llvm.assume(i1)

define void @test1(i32 %a) {
; CHECK-LABEL: Cached assumptions for function: test1
; CHECK-NEXT: icmp ne i32 %{{.*}}, 0
; CHECK-NEXT: icmp slt i32 %{{.*}}, 0
; CHECK-NEXT: icmp sgt i32 %{{.*}}, 0

entry:
  %cond1 = icmp ne i32 %a, 0
  call void @llvm.assume(i1 %cond1)
  %cond2 = icmp slt i32 %a, 0
  call void @llvm.assume(i1 %cond2)
  %cond3 = icmp sgt i32 %a, 0
  call void @llvm.assume(i1 %cond3)

  ret void
}

@G = external global i32
define void @test2() {
; CHECK-LABEL: Cached assumptions for function: test2
; CHECK-NEXT: icmp ne ptr @G, null

entry:
  %cond1 = icmp ne ptr @G, null
  call void @llvm.assume(i1 %cond1)
  ret void
}