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| author | Tom Stellard <thomas.stellard@amd.com> | 2014-06-12 16:04:47 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2014-06-12 16:04:47 +0000 |
| commit | 82a51defb68afcb3c9ce3a16133f7e45922ec6a5 (patch) | |
| tree | 11c557ac03606b71ba844dc1cc5addae2c399ac3 /test | |
| parent | 5eba90a861ff19cc2c49c7074565541978cfc83f (diff) | |
| download | llvm-82a51defb68afcb3c9ce3a16133f7e45922ec6a5.tar.gz llvm-82a51defb68afcb3c9ce3a16133f7e45922ec6a5.tar.bz2 llvm-82a51defb68afcb3c9ce3a16133f7e45922ec6a5.tar.xz | |
Revert "SelectionDAG: Enable (and (setcc x), (setcc y)) -> (setcc (and x, y)) for vectors"
This reverts commit r210540, adds a testcase for the regression it
caused, and marks the R600 test it was supposed to fix as XFAIL.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210792 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/R600/setcc-equivalent.ll | 1 | ||||
| -rw-r--r-- | test/CodeGen/X86/dagcombine-and-setcc.ll | 47 |
2 files changed, 48 insertions, 0 deletions
diff --git a/test/CodeGen/R600/setcc-equivalent.ll b/test/CodeGen/R600/setcc-equivalent.ll index 4c50aa33af..f796748fce 100644 --- a/test/CodeGen/R600/setcc-equivalent.ll +++ b/test/CodeGen/R600/setcc-equivalent.ll @@ -1,4 +1,5 @@ ; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG %s +; XFAIL: * ; EG-LABEL: @and_setcc_setcc_i32 ; EG: AND_INT diff --git a/test/CodeGen/X86/dagcombine-and-setcc.ll b/test/CodeGen/X86/dagcombine-and-setcc.ll new file mode 100644 index 0000000000..e7336a90db --- /dev/null +++ b/test/CodeGen/X86/dagcombine-and-setcc.ll @@ -0,0 +1,47 @@ +; RUN: llc < %s | FileCheck %s + +target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.10.0" + +; Function Attrs: nounwind +declare i32 @printf(i8* nocapture readonly, ...) + +; On X86 1 is true and 0 is false, so we can't perform the combine: +; (and (setgt X, true), (setgt Y, true)) -> (setgt (or X, Y), true) +; This combine only works if the true value is -1. + + +;CHECK: cmpl +;CHECK: setg +;CHECK: cmpl +;CHECK: setg +;CHECK: andb + +@.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1 +; Function Attrs: optsize ssp uwtable +define i32 @foo(i32 %a, i32 %b, i32 * %c) { +if.else429: + %cmp.i1144 = icmp eq i32* %c, null + %cmp430 = icmp slt i32 %a, 2 + %cmp432 = icmp slt i32 %b, 2 + %or.cond710 = or i1 %cmp430, %cmp432 + %or.cond710.not = xor i1 %or.cond710, true + %brmerge1448 = or i1 %cmp.i1144, %or.cond710.not + br i1 %brmerge1448, label %ret1, label %ret2 + +ret1: + ret i32 0 + +ret2: + ret i32 1 +} + +define i32 @main(i32 %argc, i8** nocapture readnone %argv) { + %res = alloca i32, align 4 + %t = call i32 @foo(i32 1, i32 2, i32* %res) #3 + %v = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), i32 %t) + ret i32 0 +} + + + |