You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
531 B
23 lines
531 B
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
; InstCombine should preserve the call to @llvm.assume.
|
|
define i32 @icmp(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: @icmp(
|
|
%sum = add i32 %a, %b
|
|
%1 = icmp sge i32 %sum, 0
|
|
call void @llvm.assume(i1 %1)
|
|
; CHECK: call void @llvm.assume
|
|
ret i32 %sum
|
|
}
|
|
|
|
define float @fcmp(float %a, float %b) {
|
|
; CHECK-LABEL: @fcmp(
|
|
%sum = fadd float %a, %b
|
|
%1 = fcmp oge float %sum, 0.0
|
|
call void @llvm.assume(i1 %1)
|
|
; CHECK: call void @llvm.assume
|
|
ret float %sum
|
|
}
|
|
|
|
declare void @llvm.assume(i1)
|