From 5570318f430ee3801ced96e76cd9eb507874e29c Mon Sep 17 00:00:00 2001 From: Anat Shemer Date: Thu, 18 Apr 2013 19:56:44 +0000 Subject: In the function InstCombiner::visitExtractElementInst() removed the limitation that extract is promoted over a cast only if the cast has only one use. llvm-svn: 179786 --- llvm/test/Transforms/InstCombine/vec_extract_2elts.ll | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 llvm/test/Transforms/InstCombine/vec_extract_2elts.ll (limited to 'llvm/test/Transforms/InstCombine/vec_extract_2elts.ll') diff --git a/llvm/test/Transforms/InstCombine/vec_extract_2elts.ll b/llvm/test/Transforms/InstCombine/vec_extract_2elts.ll new file mode 100644 index 00000000000..5972340d60a --- /dev/null +++ b/llvm/test/Transforms/InstCombine/vec_extract_2elts.ll @@ -0,0 +1,12 @@ +; RUN: opt < %s -instcombine -S | FileCheck %s + +define void @test(<4 x i32> %v, i64 *%r1, i64 *%r2) { +;CHECK: %1 = extractelement <4 x i32> %v, i32 0 +;CHECK: %2 = zext i32 %1 to i64 + %1 = zext <4 x i32> %v to <4 x i64> + %2 = extractelement <4 x i64> %1, i32 0 + store i64 %2, i64 *%r1 + store i64 %2, i64 *%r2 + ret void +} + -- cgit v1.2.3