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| author | David Majnemer <david.majnemer@gmail.com> | 2016-07-27 02:39:16 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2016-07-27 02:39:16 +0000 |
| commit | bc36b15253b20026e62a180e8a38d0a89c1d7663 (patch) | |
| tree | a5d2d079e08d833096d36554b1593c5b0bf39a64 /llvm/test | |
| parent | 8c83382a954d249fbe33d4e120ec6c2947b3d55c (diff) | |
| download | bcm5719-llvm-bc36b15253b20026e62a180e8a38d0a89c1d7663.tar.gz bcm5719-llvm-bc36b15253b20026e62a180e8a38d0a89c1d7663.zip | |
[ConstantFolding] Correctly handle failures in ConstantFoldConstantExpressionImpl
Failures in ConstantFoldConstantExpressionImpl were ignored causing
crashes down the line.
This fixes PR28725.
llvm-svn: 276827
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/InstSimplify/pr28725.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstSimplify/pr28725.ll b/llvm/test/Transforms/InstSimplify/pr28725.ll new file mode 100644 index 00000000000..bc6b30a5885 --- /dev/null +++ b/llvm/test/Transforms/InstSimplify/pr28725.ll @@ -0,0 +1,14 @@ +; RUN: opt -S -instsimplify < %s | FileCheck %s +target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-windows-msvc" +%S = type { i16, i32 } + +define <2 x i16> @test1() { +entry: + %b = insertelement <2 x i16> <i16 undef, i16 0>, i16 extractvalue (%S select (i1 icmp eq (i16 extractelement (<2 x i16> bitcast (<1 x i32> <i32 1> to <2 x i16>), i32 0), i16 0), %S zeroinitializer, %S { i16 0, i32 1 }), 0), i32 0 + ret <2 x i16> %b +} + +; CHECK-LABEL: @test1( +; CHECK: %[[ie:.*]] = insertelement <2 x i16> <i16 undef, i16 0>, i16 extractvalue (%S select (i1 icmp eq (i16 extractelement (<2 x i16> bitcast (<1 x i32> <i32 1> to <2 x i16>), i32 0), i16 0), %S zeroinitializer, %S { i16 0, i32 1 }), 0), i32 0 +; CHECK: ret <2 x i16> %[[ie]] |
