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410902c24a
This change materializes now the value "0" from the zero register. The zero register can be folded by several instruction, so no materialization is need at all. Fixes <rdar://problem/17924413>. llvm-svn: 215591
31 lines
661 B
LLVM
31 lines
661 B
LLVM
; RUN: llc -mtriple=aarch64-unknown-unknown < %s | FileCheck %s
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; RUN: llc -mtriple=aarch64-unknown-unknown -fast-isel -fast-isel-abort < %s | FileCheck %s
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define void @store_i8(i8* %a) {
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; CHECK-LABEL: store_i8
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; CHECK: strb wzr, [x0]
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store i8 0, i8* %a
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ret void
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}
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define void @store_i16(i16* %a) {
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; CHECK-LABEL: store_i16
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; CHECK: strh wzr, [x0]
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store i16 0, i16* %a
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ret void
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}
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define void @store_i32(i32* %a) {
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; CHECK-LABEL: store_i32
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; CHECK: str wzr, [x0]
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store i32 0, i32* %a
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ret void
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}
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define void @store_i64(i64* %a) {
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; CHECK-LABEL: store_i64
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; CHECK: str xzr, [x0]
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store i64 0, i64* %a
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ret void
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}
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