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| author | Nick Lewycky <nicholas@mxc.ca> | 2011-02-15 23:13:23 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2011-02-15 23:13:23 +0000 |
| commit | 8a670edf1b9dc1acb1b571ccc57a4f7e9fec5865 (patch) | |
| tree | 02bec66b85713f7affb445c97d098e39baa60a53 | |
| parent | 738a00eb861c045dc11366b4d3203cde0e528f22 (diff) | |
| download | llvm-8a670edf1b9dc1acb1b571ccc57a4f7e9fec5865.tar.gz llvm-8a670edf1b9dc1acb1b571ccc57a4f7e9fec5865.tar.bz2 llvm-8a670edf1b9dc1acb1b571ccc57a4f7e9fec5865.tar.xz | |
Teach PatternMatch that splat vectors could be floating point as well as
integer. Fixes PR9228!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125613 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/llvm/Support/PatternMatch.h | 7 | ||||
| -rw-r--r-- | test/Transforms/InstCombine/vector-casts.ll | 28 |
2 files changed, 32 insertions, 3 deletions
diff --git a/include/llvm/Support/PatternMatch.h b/include/llvm/Support/PatternMatch.h index 3d6a46110e..948ae5176e 100644 --- a/include/llvm/Support/PatternMatch.h +++ b/include/llvm/Support/PatternMatch.h @@ -81,7 +81,8 @@ struct apint_match { return true; } if (ConstantVector *CV = dyn_cast<ConstantVector>(V)) - if (ConstantInt *CI = cast_or_null<ConstantInt>(CV->getSplatValue())) { + if (ConstantInt *CI = + dyn_cast_or_null<ConstantInt>(CV->getSplatValue())) { Res = &CI->getValue(); return true; } @@ -126,7 +127,7 @@ struct cst_pred_ty : public Predicate { if (const ConstantInt *CI = dyn_cast<ConstantInt>(V)) return this->isValue(CI->getValue()); if (const ConstantVector *CV = dyn_cast<ConstantVector>(V)) - if (ConstantInt *CI = cast_or_null<ConstantInt>(CV->getSplatValue())) + if (ConstantInt *CI = dyn_cast_or_null<ConstantInt>(CV->getSplatValue())) return this->isValue(CI->getValue()); return false; } @@ -146,7 +147,7 @@ struct api_pred_ty : public Predicate { return true; } if (const ConstantVector *CV = dyn_cast<ConstantVector>(V)) - if (ConstantInt *CI = cast_or_null<ConstantInt>(CV->getSplatValue())) + if (ConstantInt *CI = dyn_cast_or_null<ConstantInt>(CV->getSplatValue())) if (this->isValue(CI->getValue())) { Res = &CI->getValue(); return true; diff --git a/test/Transforms/InstCombine/vector-casts.ll b/test/Transforms/InstCombine/vector-casts.ll index 24bd04dcb2..e931dc79ef 100644 --- a/test/Transforms/InstCombine/vector-casts.ll +++ b/test/Transforms/InstCombine/vector-casts.ll @@ -121,3 +121,31 @@ define <2 x double> @fc(<2 x double> %t) { %b = sitofp <2 x i64> %a to <2 x double> ret <2 x double> %b } + +; PR9228 +; This was a crasher, so no CHECK statements. +define <4 x float> @f(i32 %a) nounwind alwaysinline { +; CHECK: @f +entry: + %dim = insertelement <4 x i32> undef, i32 %a, i32 0 + %dim30 = insertelement <4 x i32> %dim, i32 %a, i32 1 + %dim31 = insertelement <4 x i32> %dim30, i32 %a, i32 2 + %dim32 = insertelement <4 x i32> %dim31, i32 %a, i32 3 + + %offset_ptr = getelementptr <4 x float>* null, i32 1 + %offset_int = ptrtoint <4 x float>* %offset_ptr to i64 + %sizeof32 = trunc i64 %offset_int to i32 + + %smearinsert33 = insertelement <4 x i32> undef, i32 %sizeof32, i32 0 + %smearinsert34 = insertelement <4 x i32> %smearinsert33, i32 %sizeof32, i32 1 + %smearinsert35 = insertelement <4 x i32> %smearinsert34, i32 %sizeof32, i32 2 + %smearinsert36 = insertelement <4 x i32> %smearinsert35, i32 %sizeof32, i32 3 + + %delta_scale = mul <4 x i32> %dim32, %smearinsert36 + %offset_delta = add <4 x i32> zeroinitializer, %delta_scale + + %offset_varying_delta = add <4 x i32> %offset_delta, undef + + ret <4 x float> undef +} + |