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llvm-mirror/test/Regression/Transforms/InstCombine/load.ll

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; This test makes sure that these instructions are properly eliminated.
;
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep load
%X = constant int 42
%Y = constant [2 x { int, float }] [ { int, float } { int 12, float 1.0 },
{ int, float } { int 37, float 1.2312 } ]
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%Z = constant [2 x { int, float }] zeroinitializer
int %test1() {
%B = load int* %X
ret int %B
}
float %test2() {
%A = getelementptr [2 x { int, float}]* %Y, long 0, long 1, ubyte 1
%B = load float* %A
ret float %B
}
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int %test3() {
%A = getelementptr [2 x { int, float}]* %Y, long 0, long 0, ubyte 0
%B = load int* %A
ret int %B
}
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int %test4() {
%A = getelementptr [2 x { int, float}]* %Z, long 0, long 1, ubyte 0
%B = load int* %A
ret int %B
}