You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1.7 KiB
42 lines
1.7 KiB
; Test the complex GetElementPtr instruction handling in the EfficiencySanitizer
|
|
; cache fragmentation tool.
|
|
;
|
|
; RUN: opt < %s -esan -esan-cache-frag -S | FileCheck %s
|
|
|
|
; Code from http://llvm.org/docs/LangRef.html#getelementptr-instruction
|
|
; struct RT {
|
|
; char A;
|
|
; int B[10][20];
|
|
; char C;
|
|
; };
|
|
; struct ST {
|
|
; int X;
|
|
; double Y;
|
|
; struct RT Z;
|
|
; };
|
|
;
|
|
; int *foo(struct ST *s) {
|
|
; return &s[1].Z.B[5][13];
|
|
; }
|
|
|
|
%struct.RT = type { i8, [10 x [20 x i32]], i8 }
|
|
%struct.ST = type { i32, double, %struct.RT }
|
|
|
|
define i32* @foo(%struct.ST* %s) nounwind uwtable readnone optsize ssp {
|
|
entry:
|
|
%arrayidx = getelementptr inbounds %struct.ST, %struct.ST* %s, i64 1, i32 2, i32 1, i64 5, i64 13
|
|
ret i32* %arrayidx
|
|
}
|
|
|
|
; CHECK: %0 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.ST#3#13#3#11", i32 0, i32 3)
|
|
; CHECK-NEXT: %1 = add i64 %0, 1
|
|
; CHECK-NEXT: store i64 %1, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.ST#3#13#3#11", i32 0, i32 3)
|
|
; CHECK-NEXT: %2 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.ST#3#13#3#11", i32 0, i32 2)
|
|
; CHECK-NEXT: %3 = add i64 %2, 1
|
|
; CHECK-NEXT: store i64 %3, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.ST#3#13#3#11", i32 0, i32 2)
|
|
; CHECK-NEXT: %4 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.RT#3#11#14#11", i32 0, i32 1)
|
|
; CHECK-NEXT: %5 = add i64 %4, 1
|
|
; CHECK-NEXT: store i64 %5, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.RT#3#11#14#11", i32 0, i32 1)
|
|
; CHECK-NEXT: %arrayidx = getelementptr inbounds %struct.ST, %struct.ST* %s, i64 1, i32 2, i32 1, i64 5, i64 13
|
|
; CHECK-NEXT: ret i32* %arrayidx
|