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https://github.com/c64scene-ar/llvm-6502.git
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3b41039163
Vector instructions are (still) not supported for either integer or floating point. Hopefully, that work will be landed shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215647 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
1.1 KiB
LLVM
45 lines
1.1 KiB
LLVM
; RUN: opt -reassociate -S < %s | FileCheck %s
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declare void @use(float)
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define void @test1(float %x, float %y) {
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; CHECK-LABEL: test1
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; CHECK: fmul fast float %y, %x
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; CHECK: fmul fast float %y, %x
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; CHECK: fsub fast float %1, %2
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; CHECK: call void @use(float %{{.*}})
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; CHECK: call void @use(float %{{.*}})
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%1 = fmul fast float %x, %y
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%2 = fmul fast float %y, %x
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%3 = fsub fast float %1, %2
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call void @use(float %1)
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call void @use(float %3)
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ret void
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}
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define float @test2(float %x, float %y) {
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; CHECK-LABEL: test2
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; CHECK-NEXT: fmul fast float %y, %x
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; CHECK-NEXT: fmul fast float %y, %x
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; CHECK-NEXT: fsub fast float %1, %2
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; CHECK-NEXT: ret float %3
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%1 = fmul fast float %x, %y
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%2 = fmul fast float %y, %x
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%3 = fsub fast float %1, %2
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ret float %3
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}
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define float @test3(float %x, float %y) {
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; CHECK-LABEL: test3
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; CHECK-NEXT: %factor = fmul fast float 2.000000e+00, %y
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; CHECK-NEXT: %tmp1 = fmul fast float %factor, %x
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; CHECK-NEXT: ret float %tmp1
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%1 = fmul fast float %x, %y
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%2 = fmul fast float %y, %x
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%3 = fadd fast float %1, %2
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ret float %3
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}
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