llvm-mirror/test/CodeGen/X86/fast-isel-gep-sext.ll
Dan Gohman 14d4094968 Factor out the code for sign-extending/truncating gep indices
and use it in x86 address mode folding. Also, make
getRegForValue return 0 for illegal types even if it has a
ValueMap for them, because Argument values are put in the
ValueMap. This fixes PR3181.

llvm-svn: 60696
2008-12-08 07:57:47 +00:00

18 lines
626 B
LLVM

; RUN: llvm-as < %s | llc -march=x86-64 -fast | grep movslq
; RUN: llvm-as < %s | llc -march=x86 -fast
; PR3181
; GEP indices are interpreted as signed integers, so they
; should be sign-extended to 64 bits on 64-bit targets.
define i32 @foo(i32 %t3, i32* %t1) nounwind {
%t9 = getelementptr i32* %t1, i32 %t3 ; <i32*> [#uses=1]
%t15 = load i32* %t9 ; <i32> [#uses=1]
ret i32 %t15
}
define i32 @bar(i64 %t3, i32* %t1) nounwind {
%t9 = getelementptr i32* %t1, i64 %t3 ; <i32*> [#uses=1]
%t15 = load i32* %t9 ; <i32> [#uses=1]
ret i32 %t15
}