llvm-6502/test/Transforms/InstCombine/bitcast-gep.ll
Chris Lattner 947780b1f9 new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36520 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-28 00:54:45 +00:00

20 lines
861 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep bitcast
; RUN: llvm-as < %s | opt -instcombine -scalarrepl | llvm-dis | grep {ret i8. %v}
; PR1345
target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64"
target triple = "powerpc-apple-darwin8.8.0"
define i8* @test(i8* %v) {
%A = alloca [4 x i8*], align 16 ; <[4 x i8*]*> [#uses=3]
%B = getelementptr [4 x i8*]* %A, i32 0, i32 0 ; <i8**> [#uses=1]
store i8* null, i8** %B
%C = bitcast [4 x i8*]* %A to { [16 x i8] }* ; <{ [16 x i8] }*> [#uses=1]
%D = getelementptr { [16 x i8] }* %C, i32 0, i32 0, i32 8 ; <i8*> [#uses=1]
%E = bitcast i8* %D to i8** ; <i8**> [#uses=1]
store i8* %v, i8** %E
%F = getelementptr [4 x i8*]* %A, i32 0, i32 2 ; <i8**> [#uses=1]
%G = load i8** %F ; <i8*> [#uses=1]
ret i8* %G
}