Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/Hexagon/cmph-gtu.ll @ 128:c347d3398279 default tip
fix
author | mir3636 |
---|---|
date | Wed, 06 Dec 2017 14:37:17 +0900 |
parents | 803732b1fca8 |
children |
line wrap: on
line source
; RUN: llc -march=hexagon < %s | FileCheck %s ; Check that we generate 'cmph.gtu' instruction. ; CHECK-LABEL: @cmphgtu ; CHECK: cmph.gtu @glob = common global i8 0, align 1 define i32 @cmphgtu(i32 %a0, i32 %a1) #0 { b2: %v3 = xor i32 %a1, %a0 %v4 = and i32 %v3, 65535 %v5 = icmp ugt i32 %v4, 40 br i1 %v5, label %b6, label %b8 b6: ; preds = %b2 %v7 = trunc i32 %a0 to i8 store i8 %v7, i8* @glob, align 1 br label %b8 b8: ; preds = %b6, %b2 %v9 = phi i32 [ 1, %b6 ], [ 0, %b2 ] ret i32 %v9 } ; With zxtb, we must not generate a cmph.gtu instruction. ; CHECK-LABEL: @nocmphgtu ; CHECK-NOT: cmph.gtu define i32 @nocmphgtu(i32 %a0, i32 %a1) #0 { b2: %v3 = xor i32 %a1, %a0 %v4 = and i32 %v3, 255 %v5 = icmp ugt i32 %v4, 40 br i1 %v5, label %b6, label %b8 b6: ; preds = %b2 %v7 = trunc i32 %a0 to i8 store i8 %v7, i8* @glob, align 1 br label %b8 b8: ; preds = %b6, %b2 %v9 = phi i32 [ 1, %b6 ], [ 0, %b2 ] ret i32 %v9 } attributes #0 = { nounwind }