maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
llvm-project/clang/test/CodeGen/const-arithmetic.c

9 lines
748 B
C
Raw Normal View History

Evaluate: Fix a subtle bug in the pointer evaluator in which we would do an expression computation in the wrong bit-width, and end up generating a totally bogus array reference (_g0+8589934546). - This showed up on Prolangs/cdecl. llvm-svn: 99042
2010-03-20 13:53:45 +08:00
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
// CHECK: @g1 = global [2 x i8*] [i8* getelementptr (i8* getelementptr inbounds ([0 x %struct.anon]* @g0, i32 0, i32 0, i32 0), i64 -2), i8* getelementptr (i8* getelementptr inbounds ([0 x %struct.anon]* @g0, i32 0, i32 0, i32 0), i64 -46)], align 8 ; <[2 x i8*]*> [#uses=0]
// CHECK: @g2 = global [2 x i8*] [i8* getelementptr (i8* getelementptr inbounds ([0 x %struct.anon]* @g0, i32 0, i32 0, i32 0), i64 -2), i8* getelementptr (i8* getelementptr inbounds ([0 x %struct.anon]* @g0, i32 0, i32 0, i32 0), i64 -46)], align 8 ; <[2 x i8*]*> [#uses=0]
extern struct { unsigned char a, b; } g0[];
void *g1[] = {g0 + -1, g0 + -23 };
void *g2[] = {g0 - 1, g0 - 23 };