| ; RUN: llc < %s |
| |
| ;; GetMemInstArgs() folded the two getElementPtr instructions together, |
| ;; producing an illegal getElementPtr. That's because the type generated |
| ;; by the last index for the first one is a structure field, not an array |
| ;; element, and the second one indexes off that structure field. |
| ;; The code is legal but not type-safe and the two GEPs should not be folded. |
| ;; |
| ;; This code fragment is from Spec/CINT2000/197.parser/197.parser.bc, |
| ;; file post_process.c, function build_domain(). |
| ;; (Modified to replace store with load and return load value.) |
| ;; |
| %Domain = type { i8*, i32, i32*, i32, i32, i32*, %Domain* } |
| @domain_array = external global [497 x %Domain] ; <[497 x %Domain]*> [#uses=2] |
| |
| declare void @opaque([497 x %Domain]*) |
| |
| define i32 @main(i32 %argc, i8** %argv) { |
| bb0: |
| call void @opaque( [497 x %Domain]* @domain_array ) |
| %cann-indvar-idxcast = sext i32 %argc to i64 ; <i64> [#uses=1] |
| %reg841 = getelementptr [497 x %Domain], [497 x %Domain]* @domain_array, i64 0, i64 %cann-indvar-idxcast, i32 3 ; <i32*> [#uses=1] |
| %reg846 = getelementptr i32, i32* %reg841, i64 1 ; <i32*> [#uses=1] |
| %reg820 = load i32, i32* %reg846 ; <i32> [#uses=1] |
| ret i32 %reg820 |
| } |
| |