1; RUN: llc < %s | FileCheck %s 2 3; Test to make sure that if math that can roll over has been used we don't 4; use the potential overflow as the basis for an address calculation later by 5; sinking it into a different basic block. 6 7target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 8target triple = "x86_64-apple-macosx10.9.0" 9 10; Function Attrs: nounwind ssp uwtable 11define void @test_sink(i8* %arg1, i32 %arg2, i8 %arg3) #0 { 12 %tmp1 = add i32 -2147483648, %arg2 13 %tmp2 = add i32 -2147483648, %tmp1 14 %tmp3 = getelementptr i8, i8* %arg1, i32 %arg2 15 br label %bb1 16 17bb1: 18 %tmp4 = getelementptr i8, i8* %arg1, i32 %tmp2 19 store i8 %arg3, i8* %tmp4 20 ret void; 21} 22 23; CHECK-LABEL: test_sink: 24; CHECK: movslq %esi, [[TEMP:%[a-z0-9]+]] 25; CHECK: movb %dl, (%rdi,[[TEMP]]) 26; CHECK: retq 27