aed6e52b3c
Add special case for copy of zero to avoid a double copy. Differential Revision: https://reviews.llvm.org/D36104 llvm-svn: 325459
19 lines
424 B
LLVM
19 lines
424 B
LLVM
; RUN: llc -O0 -fast-isel -mtriple=arm64-apple-ios7.0 -mcpu=generic < %s | FileCheck %s
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; Function Attrs: nounwind ssp
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define void @test1() {
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%1 = sext i32 0 to i128
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call void @test2(i128 %1)
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ret void
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; The i128 is 0 so the we can test to make sure it is propogated into the x
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; registers that make up the i128 pair
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; CHECK: mov x0, xzr
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; CHECK: mov x1, xzr
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; CHECK: bl _test2
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}
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declare void @test2(i128)
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