Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/Thumb/cmp-add-fold.ll @ 128:c347d3398279 default tip
fix
author | mir3636 |
---|---|
date | Wed, 06 Dec 2017 14:37:17 +0900 |
parents | 803732b1fca8 |
children |
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; RUN: llc -mtriple=thumbv6m-eabi -verify-machineinstrs < %s | FileCheck --check-prefix=CHECK --check-prefix=T1 %s ; RUN: llc -mtriple=thumbv7m-eabi -verify-machineinstrs < %s | FileCheck --check-prefix=CHECK --check-prefix=T2 %s ; CHECK-LABEL: addri1: ; T1: adds r0, r0, #3 ; T1-NEXT: b{{eq|ne}} ; T2: adds r0, #3 ; T2-NOT: cmp define i32 @addri1(i32 %a, i32 %b) { %c = add i32 %a, 3 %d = icmp eq i32 %c, 0 br i1 %d, label %true, label %false true: ret i32 4 false: ret i32 5 } ; CHECK-LABEL: addri2: ; CHECK: adds r0, #254 ; T1-NEXT: b{{eq|ne}} ; T2-NOT: cmp define i32 @addri2(i32 %a, i32 %b) { %c = add i32 %a, 254 %d = icmp eq i32 %c, 0 br i1 %d, label %true, label %false true: ret i32 4 false: ret i32 5 }