1 ; RUN: llc < %s 2 3 ;; GetMemInstArgs() folded the two getElementPtr instructions together, 4 ;; producing an illegal getElementPtr. That's because the type generated 5 ;; by the last index for the first one is a structure field, not an array 6 ;; element, and the second one indexes off that structure field. 7 ;; The code is legal but not type-safe and the two GEPs should not be folded. 8 ;; 9 ;; This code fragment is from Spec/CINT2000/197.parser/197.parser.bc, 10 ;; file post_process.c, function build_domain(). 11 ;; (Modified to replace store with load and return load value.) 12 ;; 13 %Domain = type { i8*, i32, i32*, i32, i32, i32*, %Domain* } 14 @domain_array = external global [497 x %Domain] ; <[497 x %Domain]*> [#uses=2] 15 16 declare void @opaque([497 x %Domain]*) 17 18 define i32 @main(i32 %argc, i8** %argv) { 19 bb0: 20 call void @opaque( [497 x %Domain]* @domain_array ) 21 %cann-indvar-idxcast = sext i32 %argc to i64 ; <i64> [#uses=1] 22 %reg841 = getelementptr [497 x %Domain]* @domain_array, i64 0, i64 %cann-indvar-idxcast, i32 3 ; <i32*> [#uses=1] 23 %reg846 = getelementptr i32* %reg841, i64 1 ; <i32*> [#uses=1] 24 %reg820 = load i32* %reg846 ; <i32> [#uses=1] 25 ret i32 %reg820 26 } 27 28
