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https://github.com/c64scene-ar/llvm-6502.git
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fa8f80ae0a
the presense of pointer casts git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24666 91177308-0d34-0410-b5e6-96231b3b80d8
55 lines
2.0 KiB
LLVM
55 lines
2.0 KiB
LLVM
; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | not grep alloca &&
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; RUN: llvm-as < %s | opt -scalarrepl -disable-output
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target endian = big
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target pointersize = 32
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target triple = "powerpc-apple-darwin8.0.0"
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long %test1(long %X) {
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%A = alloca long
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store long %X, long* %A
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%B = cast long* %A to int*
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%C = cast int* %B to sbyte*
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store sbyte 0, sbyte* %C
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%Y = load long *%A
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ret long %Y
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}
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sbyte %test2(long %X) {
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%X_addr = alloca long ; <long*> [#uses=2]
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store long %X, long* %X_addr
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%tmp.0 = cast long* %X_addr to int* ; <int*> [#uses=1]
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%tmp.1 = getelementptr int* %tmp.0, int 1 ; <int*> [#uses=1]
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%tmp.2 = cast int* %tmp.1 to sbyte*
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%tmp.3 = getelementptr sbyte* %tmp.2, int 3
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%tmp.2 = load sbyte* %tmp.3 ; <int> [#uses=1]
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ret sbyte %tmp.2
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}
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short %crafty(long %X) {
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%a = alloca { long }
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%tmp.0 = getelementptr { long }* %a, int 0, uint 0 ; <long*> [#uses=1]
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store long %X, long* %tmp.0
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%tmp.3 = cast { long }* %a to [4 x short]* ; <[4 x short]*> [#uses=2]
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%tmp.4 = getelementptr [4 x short]* %tmp.3, int 0, int 3 ; <short*> [#uses=1]
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%tmp.5 = load short* %tmp.4 ; <short> [#uses=1]
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%tmp.8 = getelementptr [4 x short]* %tmp.3, int 0, int 2 ; <short*> [#uses=1]
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%tmp.9 = load short* %tmp.8 ; <short> [#uses=1]
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%tmp.10 = or short %tmp.9, %tmp.5 ; <short> [#uses=1]
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ret short %tmp.10
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}
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short %crafty2(long %X) {
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%a = alloca long
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store long %X, long* %a
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%tmp.3 = cast long* %a to [4 x short]* ; <[4 x short]*> [#uses=2]
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%tmp.4 = getelementptr [4 x short]* %tmp.3, int 0, int 3 ; <short*> [#uses=1]
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%tmp.5 = load short* %tmp.4 ; <short> [#uses=1]
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%tmp.8 = getelementptr [4 x short]* %tmp.3, int 0, int 2 ; <short*> [#uses=1]
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%tmp.9 = load short* %tmp.8 ; <short> [#uses=1]
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%tmp.10 = or short %tmp.9, %tmp.5 ; <short> [#uses=1]
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ret short %tmp.10
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}
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