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Diffstat (limited to 'test/CodeGen/X86/break-anti-dependencies.ll')
-rw-r--r-- | test/CodeGen/X86/break-anti-dependencies.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/CodeGen/X86/break-anti-dependencies.ll b/test/CodeGen/X86/break-anti-dependencies.ll new file mode 100644 index 0000000000..6b245c103e --- /dev/null +++ b/test/CodeGen/X86/break-anti-dependencies.ll @@ -0,0 +1,33 @@ +; RUN: llc < %s -march=x86-64 -post-RA-scheduler -break-anti-dependencies=false > %t +; RUN: grep {%xmm0} %t | count 14 +; RUN: not grep {%xmm1} %t +; RUN: llc < %s -march=x86-64 -post-RA-scheduler -break-anti-dependencies > %t +; RUN: grep {%xmm0} %t | count 7 +; RUN: grep {%xmm1} %t | count 7 + +define void @goo(double* %r, double* %p, double* %q) nounwind { +entry: + %0 = load double* %p, align 8 + %1 = fadd double %0, 1.100000e+00 + %2 = fmul double %1, 1.200000e+00 + %3 = fadd double %2, 1.300000e+00 + %4 = fmul double %3, 1.400000e+00 + %5 = fadd double %4, 1.500000e+00 + %6 = fptosi double %5 to i32 + %7 = load double* %r, align 8 + %8 = fadd double %7, 7.100000e+00 + %9 = fmul double %8, 7.200000e+00 + %10 = fadd double %9, 7.300000e+00 + %11 = fmul double %10, 7.400000e+00 + %12 = fadd double %11, 7.500000e+00 + %13 = fptosi double %12 to i32 + %14 = icmp slt i32 %6, %13 + br i1 %14, label %bb, label %return + +bb: + store double 9.300000e+00, double* %q, align 8 + ret void + +return: + ret void +} |