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https://github.com/c64scene-ar/llvm-6502.git
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ed2a7d2780
tools use. Patch by Simon Atanasyan. "mips32r1" => "mips32" "4ke" => mips32r2" "mips64r1" => "mips64" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145451 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
807 B
LLVM
41 lines
807 B
LLVM
; RUN: llc -march=mips -mcpu=mips32r2 < %s | FileCheck %s
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; CHECK: rotrv $2, $4
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define i32 @rot0(i32 %a, i32 %b) nounwind readnone {
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entry:
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%shl = shl i32 %a, %b
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%sub = sub i32 32, %b
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%shr = lshr i32 %a, %sub
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%or = or i32 %shr, %shl
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ret i32 %or
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}
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; CHECK: rotr $2, $4, 22
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define i32 @rot1(i32 %a) nounwind readnone {
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entry:
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%shl = shl i32 %a, 10
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%shr = lshr i32 %a, 22
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%or = or i32 %shl, %shr
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ret i32 %or
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}
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; CHECK: rotrv $2, $4, $5
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define i32 @rot2(i32 %a, i32 %b) nounwind readnone {
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entry:
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%shr = lshr i32 %a, %b
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%sub = sub i32 32, %b
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%shl = shl i32 %a, %sub
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%or = or i32 %shl, %shr
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ret i32 %or
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}
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; CHECK: rotr $2, $4, 10
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define i32 @rot3(i32 %a) nounwind readnone {
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entry:
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%shr = lshr i32 %a, 10
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%shl = shl i32 %a, 22
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%or = or i32 %shr, %shl
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ret i32 %or
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}
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