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| author | Bill Wendling <isanbard@gmail.com> | 2013-12-08 00:17:29 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2013-12-08 00:17:29 +0000 |
| commit | 2bdc0dd2db145591eb3fdc01fa0b2a3d831f334b (patch) | |
| tree | 6f14746b9594fe4197c5fb35297b079867ede879 /test | |
| parent | 92fe16ec5863b65dfe495300e968ed8ddd10cf85 (diff) | |
| download | llvm-2bdc0dd2db145591eb3fdc01fa0b2a3d831f334b.tar.gz llvm-2bdc0dd2db145591eb3fdc01fa0b2a3d831f334b.tar.bz2 llvm-2bdc0dd2db145591eb3fdc01fa0b2a3d831f334b.tar.xz | |
Merging r196588:
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r196588 | weimingz | 2013-12-06 09:56:48 -0800 (Fri, 06 Dec 2013) | 7 lines
Bug 18149: [AArch32] VSel instructions has no ARMCC field
The current peephole optimizing for compare inst assumes an instr that
uses CPSR has an MO for ARM Cond code.However, for VSEL instructions
(vseqeq, vselgt, vselgt, vselvs), there is no such operand nor do
they support the modification of Cond Code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196704 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/ARM/sub-cmp-peephole.ll | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/sub-cmp-peephole.ll b/test/CodeGen/ARM/sub-cmp-peephole.ll index 1b411e3af1..19727dabf0 100644 --- a/test/CodeGen/ARM/sub-cmp-peephole.ll +++ b/test/CodeGen/ARM/sub-cmp-peephole.ll @@ -1,4 +1,7 @@ ; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s +; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s --check-prefix=V7 +; RUN: llc < %s -mtriple=armv8-none-linux-gnueabi | FileCheck %s -check-prefix=V8 + define i32 @f(i32 %a, i32 %b) nounwind ssp { entry: @@ -84,3 +87,60 @@ land.lhs.true: ; preds = %num2long.exit if.end11: ; preds = %num2long.exit ret i32 23 } + +define float @float_sel(i32 %a, i32 %b, float %x, float %y) { +entry: +; CHECK-LABEL: float_sel: +; CHECK-NOT: cmp +; V8-LABEL: float_sel: +; V8-NOT: cmp +; V8: vseleq.f32 + %sub = sub i32 %a, %b + %cmp = icmp eq i32 %sub, 0 + %ret = select i1 %cmp, float %x, float %y + ret float %ret +} + +define double @double_sel(i32 %a, i32 %b, double %x, double %y) { +entry: +; CHECK-LABEL: double_sel: +; CHECK-NOT: cmp +; V8-LABEL: double_sel: +; V8-NOT: cmp +; V8: vseleq.f64 + %sub = sub i32 %a, %b + %cmp = icmp eq i32 %sub, 0 + %ret = select i1 %cmp, double %x, double %y + ret double %ret +} + +@t = common global i32 0 +define double @double_sub(i32 %a, i32 %b, double %x, double %y) { +entry: +; CHECK-LABEL: double_sub: +; CHECK: subs +; CHECK-NOT: cmp +; V8-LABEL: double_sub: +; V8: vsel + %cmp = icmp sgt i32 %a, %b + %sub = sub i32 %a, %b + store i32 %sub, i32* @t + %ret = select i1 %cmp, double %x, double %y + ret double %ret +} + +define double @double_sub_swap(i32 %a, i32 %b, double %x, double %y) { +entry: +; V7-LABEL: double_sub_swap: +; V7-NOT: cmp +; V7: subs +; V8-LABEL: double_sub_swap: +; V8-NOT: subs +; V8: cmp +; V8: vsel + %cmp = icmp sgt i32 %a, %b + %sub = sub i32 %b, %a + %ret = select i1 %cmp, double %x, double %y + store i32 %sub, i32* @t + ret double %ret +} |