Files
llvm/clang/test/CodeGen/const-arithmetic.c
Daniel Dunbar 4c43e31d21 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 05:53:45 +00:00

9 lines
748 B
C

// 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 };