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`llc -march` is problematic because it only switches the target architecture, but leaves the operating system unchanged. This occasionally leads to indeterministic tests because the OS from LLVM_DEFAULT_TARGET_TRIPLE is used. However we can simply always use `llc -mtriple` instead. This changes all the tests to do this to avoid people using -march when they copy and paste parts of tests. See also the discussion in https://reviews.llvm.org/D35287 llvm-svn: 309774
67 lines
1.5 KiB
LLVM
67 lines
1.5 KiB
LLVM
; RUN: llc < %s -mtriple=i686-- | grep fldz
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; RUN: llc < %s -mtriple=x86_64-- | grep fld1
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%0 = type { x86_fp80, x86_fp80 }
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; This is basically this code on x86-64:
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; _Complex long double test() { return 1.0; }
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define %0 @test() {
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%A = fpext double 1.0 to x86_fp80
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%B = fpext double 0.0 to x86_fp80
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%mrv = insertvalue %0 undef, x86_fp80 %A, 0
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%mrv1 = insertvalue %0 %mrv, x86_fp80 %B, 1
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ret %0 %mrv1
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}
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;_test2:
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; fld1
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; fld %st(0)
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; ret
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define %0 @test2() {
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%A = fpext double 1.0 to x86_fp80
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%mrv = insertvalue %0 undef, x86_fp80 %A, 0
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%mrv1 = insertvalue %0 %mrv, x86_fp80 %A, 1
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ret %0 %mrv1
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}
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; Uses both values.
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define void @call1(x86_fp80 *%P1, x86_fp80 *%P2) {
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%a = call %0 @test()
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%b = extractvalue %0 %a, 0
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store x86_fp80 %b, x86_fp80* %P1
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%c = extractvalue %0 %a, 1
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store x86_fp80 %c, x86_fp80* %P2
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ret void
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}
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; Uses both values, requires fxch
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define void @call2(x86_fp80 *%P1, x86_fp80 *%P2) {
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%a = call %0 @test()
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%b = extractvalue %0 %a, 1
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store x86_fp80 %b, x86_fp80* %P1
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%c = extractvalue %0 %a, 0
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store x86_fp80 %c, x86_fp80* %P2
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ret void
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}
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; Uses ST(0), ST(1) is dead but must be popped.
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define void @call3(x86_fp80 *%P1, x86_fp80 *%P2) {
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%a = call %0 @test()
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%b = extractvalue %0 %a, 0
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store x86_fp80 %b, x86_fp80* %P1
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ret void
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}
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; Uses ST(1), ST(0) is dead and must be popped.
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define void @call4(x86_fp80 *%P1, x86_fp80 *%P2) {
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%a = call %0 @test()
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%c = extractvalue %0 %a, 1
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store x86_fp80 %c, x86_fp80* %P2
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ret void
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}
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