| ; RUN: opt -S -instsimplify < %s | FileCheck %s |
| |
| target datalayout = "E-m:e-i64:64-n32:64" |
| target triple = "powerpc64-unknown-linux-gnu" |
| |
| define zeroext i1 @_Z10isNegativemj(i64 %Val, i32 zeroext %IntegerBitWidth) { |
| entry: |
| %conv = zext i32 %IntegerBitWidth to i64 |
| %sub = sub i64 128, %conv |
| %conv1 = trunc i64 %sub to i32 |
| %conv2 = zext i64 %Val to i128 |
| %sh_prom = zext i32 %conv1 to i128 |
| %shl = shl i128 %conv2, %sh_prom |
| %shr = ashr i128 %shl, %sh_prom |
| %cmp = icmp slt i128 %shr, 0 |
| ret i1 %cmp |
| } |
| |
| ; CHECK-LABEL: @_Z10isNegativemj |
| ; CHECK-NOT: ret i1 false |
| ; CHECK: ret i1 %cmp |
| |
