diff options
Diffstat (limited to 'llvm/test/CodeGen/ARM/cbz-implicit-it-range.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/cbz-implicit-it-range.ll | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/cbz-implicit-it-range.ll b/llvm/test/CodeGen/ARM/cbz-implicit-it-range.ll new file mode 100644 index 00000000000..b553a9ad6df --- /dev/null +++ b/llvm/test/CodeGen/ARM/cbz-implicit-it-range.ll @@ -0,0 +1,47 @@ +;RUN: llc -O2 -mtriple=thumbv7a-linux-gnueabihf -arm-implicit-it=always %s -o - | FileCheck %s +;RUN: llc -O2 -mtriple=thumbv7a-linux-gnueabihf -no-integrated-as %s -o - | FileCheck %s + +; Check that we do not produce a CBZ instruction to jump over the inline +; assembly as the distance is too far if the implicit IT instructions are +; added. + +define void @f0(i32 %p1, i32 %p2, i32 %p3) nounwind { +entry: + %cmp = icmp eq i32 %p1, 0 + br i1 %cmp, label %if.else, label %if.then + +if.then: + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + tail call void asm sideeffect "movseq r0, #0\0A", ""() + br label %if.end + +if.else: + tail call void asm sideeffect "nop\0A", ""() + br label %if.end + +if.end: + ret void +} +; CHECK-LABEL: f0: +; CHECK: beq .LBB0_{{[0-9]+}} + |
