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.
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.)
13
%Domain = type { i8*, i32, i32*, i32, i32, i32*, %Domain* }
14
@domain_array = external global [497 x %Domain] ; <[497 x %Domain]*> [#uses=2]
16
declare void @opaque([497 x %Domain]*)
18
define i32 @main(i32 %argc, i8** %argv) {
20
call void @opaque( [497 x %Domain]* @domain_array )
21
%cann-indvar-idxcast = sext i32 %argc to i64 ; <i64> [#uses=1]
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%reg841 = getelementptr [497 x %Domain]* @domain_array, i64 0, i64 %cann-indvar-idxcast, i32 3 ; <i32*> [#uses=1]
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%reg846 = getelementptr i32* %reg841, i64 1 ; <i32*> [#uses=1]
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%reg820 = load i32* %reg846 ; <i32> [#uses=1]