diff options
Diffstat (limited to 'test/CodeGen/X86/fp-stack-2results.ll')
| -rw-r--r-- | test/CodeGen/X86/fp-stack-2results.ll | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fp-stack-2results.ll b/test/CodeGen/X86/fp-stack-2results.ll index dcb2031a50..f47fd7472e 100644 --- a/test/CodeGen/X86/fp-stack-2results.ll +++ b/test/CodeGen/X86/fp-stack-2results.ll @@ -19,3 +19,42 @@ define {x86_fp80, x86_fp80} @test2() { ret x86_fp80 %A, x86_fp80 %A } +; Uses both values. +define void @call1(x86_fp80 *%P1, x86_fp80 *%P2) { + %a = call {x86_fp80,x86_fp80} @test() + %b = getresult {x86_fp80,x86_fp80} %a, 0 + store x86_fp80 %b, x86_fp80* %P1 + + %c = getresult {x86_fp80,x86_fp80} %a, 1 + store x86_fp80 %c, x86_fp80* %P2 + ret void +} + +; Uses both values, requires fxch +define void @call2(x86_fp80 *%P1, x86_fp80 *%P2) { + %a = call {x86_fp80,x86_fp80} @test() + %b = getresult {x86_fp80,x86_fp80} %a, 1 + store x86_fp80 %b, x86_fp80* %P1 + + %c = getresult {x86_fp80,x86_fp80} %a, 0 + store x86_fp80 %c, x86_fp80* %P2 + ret void +} + +; Uses ST(0), ST(1) is dead but must be popped. +define void @call3(x86_fp80 *%P1, x86_fp80 *%P2) { + %a = call {x86_fp80,x86_fp80} @test() + %b = getresult {x86_fp80,x86_fp80} %a, 0 + store x86_fp80 %b, x86_fp80* %P1 + ret void +} + +; Uses ST(1), ST(0) is dead and must be popped. +define void @call4(x86_fp80 *%P1, x86_fp80 *%P2) { + %a = call {x86_fp80,x86_fp80} @test() + + %c = getresult {x86_fp80,x86_fp80} %a, 1 + store x86_fp80 %c, x86_fp80* %P2 + ret void +} + |