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https://github.com/c64scene-ar/llvm-6502.git
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This requires v9 cmov instructions using the %xcc flags instead of the %icc flags. Still missing: - Select floats on %xcc flags. - Select i64 on %fcc flags. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178737 91177308-0d34-0410-b5e6-96231b3b80d8
57 lines
1.1 KiB
LLVM
57 lines
1.1 KiB
LLVM
; RUN: llc < %s -march=sparcv9 | FileCheck %s
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; Testing 64-bit conditionals.
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; CHECK: cmpri
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; CHECK: subcc %i1, 1
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; CHECK: bpe %xcc,
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define void @cmpri(i64* %p, i64 %x) {
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entry:
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%tobool = icmp eq i64 %x, 1
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br i1 %tobool, label %if.end, label %if.then
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if.then:
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store i64 %x, i64* %p, align 8
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br label %if.end
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if.end:
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ret void
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}
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; CHECK: cmprr
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; CHECK: subcc %i1, %i2
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; CHECK: bpgu %xcc,
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define void @cmprr(i64* %p, i64 %x, i64 %y) {
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entry:
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%tobool = icmp ugt i64 %x, %y
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br i1 %tobool, label %if.end, label %if.then
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if.then:
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store i64 %x, i64* %p, align 8
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br label %if.end
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if.end:
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ret void
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}
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; CHECK: selecti32_xcc
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; CHECK: subcc %i0, %i1
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; CHECK: movg %xcc, %i2, %i3
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; CHECK: or %g0, %i3, %i0
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define i32 @selecti32_xcc(i64 %x, i64 %y, i32 %a, i32 %b) {
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entry:
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%tobool = icmp sgt i64 %x, %y
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%rv = select i1 %tobool, i32 %a, i32 %b
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ret i32 %rv
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}
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; CHECK: selecti64_xcc
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; CHECK: subcc %i0, %i1
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; CHECK: movg %xcc, %i2, %i3
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; CHECK: or %g0, %i3, %i0
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define i64 @selecti64_xcc(i64 %x, i64 %y, i64 %a, i64 %b) {
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entry:
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%tobool = icmp sgt i64 %x, %y
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%rv = select i1 %tobool, i64 %a, i64 %b
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ret i64 %rv
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}
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