blob: b57981151bddcfad3720a1c1abdbd93f634004e6 [file] [log] [blame]
; RUN: llc < %s | FileCheck %s
; Test to make sure that if math that can roll over has been used we don't
; use the potential overflow as the basis for an address calculation later by
; sinking it into a different basic block.
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.9.0"
; Function Attrs: nounwind ssp uwtable
define void @test_sink(i8* %arg1, i32 %arg2, i8 %arg3) #0 {
%tmp1 = add i32 -2147483648, %arg2
%tmp2 = add i32 -2147483648, %tmp1
%tmp3 = getelementptr i8, i8* %arg1, i32 %arg2
br label %bb1
%tmp4 = getelementptr i8, i8* %arg1, i32 %tmp2
store i8 %arg3, i8* %tmp4
ret void;
; CHECK-LABEL: test_sink:
; CHECK: movslq %esi, [[TEMP:%[a-z0-9]+]]
; CHECK: movb %dl, (%rdi,[[TEMP]])
; CHECK: retq