llvm/test/CodeGen/ARM64/arm64-dead-def-elimination-flag.ll
Louis Gerbarg 27539d46cc Add a flag to disable the ARM64DeadRegisterDefinitionsPass
This patch adds a -arm64-dead-def-elimination flag so that it is possible to
disable dead definition elimination. Includes test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206207 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-14 21:05:02 +00:00

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404 B
LLVM

; RUN: llc -march=arm64 -arm64-dead-def-elimination=false < %s | FileCheck %s
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "arm64-apple-ios7.0.0"
; Function Attrs: nounwind ssp uwtable
define i32 @test1() #0 {
%tmp1 = alloca i8
%tmp2 = icmp eq i8* %tmp1, null
%tmp3 = zext i1 %tmp2 to i32
ret i32 %tmp3
; CHECK-LABEL: test1
; CHECK: adds {{x[0-9]+}}, sp, #15
}