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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47432 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
1.1 KiB
Plaintext
41 lines
1.1 KiB
Plaintext
; RUN: llvm-as < %s | llc -march=x86 -x86-asm-syntax=intel | \
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; RUN: grep -i ST | not grep {fadd\\|fsub\\|fdiv\\|fmul}
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; Test that the load of the memory location is folded into the operation.
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define double @test_add(double %X, double* %P) {
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%Y = load double* %P ; <double> [#uses=1]
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%R = add double %X, %Y ; <double> [#uses=1]
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ret double %R
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}
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define double @test_mul(double %X, double* %P) {
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%Y = load double* %P ; <double> [#uses=1]
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%R = mul double %X, %Y ; <double> [#uses=1]
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ret double %R
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}
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define double @test_sub(double %X, double* %P) {
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%Y = load double* %P ; <double> [#uses=1]
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%R = sub double %X, %Y ; <double> [#uses=1]
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ret double %R
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}
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define double @test_subr(double %X, double* %P) {
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%Y = load double* %P ; <double> [#uses=1]
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%R = sub double %Y, %X ; <double> [#uses=1]
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ret double %R
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}
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define double @test_div(double %X, double* %P) {
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%Y = load double* %P ; <double> [#uses=1]
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%R = fdiv double %X, %Y ; <double> [#uses=1]
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ret double %R
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}
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define double @test_divr(double %X, double* %P) {
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%Y = load double* %P ; <double> [#uses=1]
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%R = fdiv double %Y, %X ; <double> [#uses=1]
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ret double %R
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}
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