| ; RUN: opt < %s -passes=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) |
