mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-31 10:29:25 +00:00
61 lines
1.5 KiB
LLVM
61 lines
1.5 KiB
LLVM
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; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {ldrb r0} | count 7
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; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep mov | grep 1
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; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | not grep mvn
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; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep ldrb | grep lsl
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; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep lsr | not grep ldrb
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define i8 @f1(i8* %v) {
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entry:
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%tmp = load i8* %v
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ret i8 %tmp
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}
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define i8 @f2(i8* %v) {
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entry:
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%tmp2 = getelementptr i8* %v, i8 1023
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%tmp = load i8* %tmp2
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ret i8 %tmp
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}
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define i8 @f3(i32 %base) {
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entry:
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%tmp1 = add i32 %base, 4096
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%tmp2 = inttoptr i32 %tmp1 to i8*
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%tmp3 = load i8* %tmp2
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ret i8 %tmp3
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}
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define i8 @f4(i32 %base) {
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entry:
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%tmp1 = sub i32 %base, 128
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%tmp2 = inttoptr i32 %tmp1 to i8*
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%tmp3 = load i8* %tmp2
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ret i8 %tmp3
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}
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define i8 @f5(i32 %base, i32 %offset) {
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entry:
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%tmp1 = add i32 %base, %offset
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%tmp2 = inttoptr i32 %tmp1 to i8*
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%tmp3 = load i8* %tmp2
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ret i8 %tmp3
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}
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define i8 @f6(i32 %base, i32 %offset) {
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entry:
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%tmp1 = shl i32 %offset, 2
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%tmp2 = add i32 %base, %tmp1
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%tmp3 = inttoptr i32 %tmp2 to i8*
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%tmp4 = load i8* %tmp3
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ret i8 %tmp4
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}
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define i8 @f7(i32 %base, i32 %offset) {
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entry:
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%tmp1 = lshr i32 %offset, 2
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%tmp2 = add i32 %base, %tmp1
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%tmp3 = inttoptr i32 %tmp2 to i8*
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%tmp4 = load i8* %tmp3
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ret i8 %tmp4
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}
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