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https://github.com/c64scene-ar/llvm-6502.git
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46 lines
1001 B
LLVM
46 lines
1001 B
LLVM
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep sext
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; RUN: llvm-as < %s | llc -march=x86-64 | not grep movslq
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; RUN: llvm-as < %s | llc -march=x86 | not grep sar
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declare i32 @llvm.ctpop.i32(i32)
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declare i32 @llvm.ctlz.i32(i32)
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declare i32 @llvm.cttz.i32(i32)
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define i64 @foo(i32 %x) {
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%t = call i32 @llvm.ctpop.i32(i32 %x)
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%s = sext i32 %t to i64
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ret i64 %s
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}
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define i64 @boo(i32 %x) {
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%t = call i32 @llvm.ctlz.i32(i32 %x)
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%s = sext i32 %t to i64
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ret i64 %s
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}
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define i64 @zoo(i32 %x) {
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%t = call i32 @llvm.cttz.i32(i32 %x)
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%s = sext i32 %t to i64
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ret i64 %s
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}
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define i64 @coo(i32 %x) {
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%t = udiv i32 %x, 3
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%s = sext i32 %t to i64
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ret i64 %s
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}
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define i64 @moo(i32 %x) {
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%t = urem i32 %x, 30000
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%s = sext i32 %t to i64
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ret i64 %s
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}
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define i64 @yoo(i32 %x) {
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%u = lshr i32 %x, 3
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%t = mul i32 %u, 3
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%s = sext i32 %t to i64
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ret i64 %s
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}
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define i64 @voo(i32 %x) {
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%t = and i32 %x, 511
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%u = sub i32 20000, %t
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%s = sext i32 %u to i64
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ret i64 %s
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}
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