linux-packaging-mono/external/llvm/test/CodeGen/X86/2011-07-13-BadFrameIndexDisplacement.ll
Xamarin Public Jenkins (auto-signing) e19d552987 Imported Upstream version 5.18.0.161
Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
2018-10-19 08:34:24 +00:00

21 lines
672 B
LLVM

; RUN: llc -mtriple=x86_64-- < %s -disable-fp-elim | 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