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d1ae391210
X86InstrCompiler.td. It also adds –mcpu-generic to the legalize-shift-64.ll test so the test will pass if run on an Intel Atom CPU, which would otherwise produce an instruction schedule which differs from that which the test expects. llvm-svn: 153033
57 lines
1.3 KiB
LLVM
57 lines
1.3 KiB
LLVM
; RUN: llc -mcpu=generic -march=x86 < %s | FileCheck %s
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define i64 @test1(i32 %xx, i32 %test) nounwind {
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%conv = zext i32 %xx to i64
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%and = and i32 %test, 7
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%sh_prom = zext i32 %and to i64
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%shl = shl i64 %conv, %sh_prom
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ret i64 %shl
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; CHECK: test1:
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; CHECK: shll %cl, %eax
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; CHECK: shrl %edx
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; CHECK: xorb $31
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; CHECK: shrl %cl, %edx
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}
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define i64 @test2(i64 %xx, i32 %test) nounwind {
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%and = and i32 %test, 7
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%sh_prom = zext i32 %and to i64
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%shl = shl i64 %xx, %sh_prom
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ret i64 %shl
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; CHECK: test2:
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; CHECK: shll %cl, %esi
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; CHECK: shrl %edx
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; CHECK: xorb $31
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; CHECK: shrl %cl, %edx
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; CHECK: orl %esi, %edx
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; CHECK: shll %cl, %eax
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}
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define i64 @test3(i64 %xx, i32 %test) nounwind {
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%and = and i32 %test, 7
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%sh_prom = zext i32 %and to i64
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%shr = lshr i64 %xx, %sh_prom
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ret i64 %shr
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; CHECK: test3:
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; CHECK: shrl %cl, %esi
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; CHECK: leal (%edx,%edx), %eax
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; CHECK: xorb $31, %cl
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; CHECK: shll %cl, %eax
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; CHECK: orl %esi, %eax
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; CHECK: shrl %cl, %edx
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}
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define i64 @test4(i64 %xx, i32 %test) nounwind {
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%and = and i32 %test, 7
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%sh_prom = zext i32 %and to i64
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%shr = ashr i64 %xx, %sh_prom
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ret i64 %shr
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; CHECK: test4:
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; CHECK: shrl %cl, %esi
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; CHECK: leal (%edx,%edx), %eax
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; CHECK: xorb $31, %cl
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; CHECK: shll %cl, %eax
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; CHECK: orl %esi, %eax
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; CHECK: sarl %cl, %edx
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}
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