forked from OSchip/llvm-project
21 lines
674 B
LLVM
21 lines
674 B
LLVM
; RUN: llc -mtriple=x86_64-- < %s -frame-pointer=all | FileCheck %s
|
|
|
|
; This test is checking that we don't crash and we don't incorrectly fold
|
|
; a large displacement and a frame index into a single lea.
|
|
; <rdar://problem/9763308>
|
|
|
|
declare void @bar([39 x i8]*)
|
|
define i32 @f(i64 %a, i64 %b) nounwind readnone {
|
|
entry:
|
|
%stack_main = alloca [39 x i8]
|
|
call void @bar([39 x i8]* %stack_main)
|
|
%tmp6 = add i64 %a, -2147483647
|
|
%.sum = add i64 %tmp6, %b
|
|
%tmp8 = getelementptr inbounds [39 x i8], [39 x i8]* %stack_main, i64 0, i64 %.sum
|
|
%tmp9 = load i8, i8* %tmp8, align 1
|
|
%tmp10 = sext i8 %tmp9 to i32
|
|
ret i32 %tmp10
|
|
}
|
|
; CHECK-LABEL: f:
|
|
; CHECK: movsbl -2147483647
|