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-rw-r--r--test/CodeGen/X86/break-avx-dep.ll29
1 files changed, 0 insertions, 29 deletions
diff --git a/test/CodeGen/X86/break-avx-dep.ll b/test/CodeGen/X86/break-avx-dep.ll
deleted file mode 100644
index 210bda1..0000000
--- a/test/CodeGen/X86/break-avx-dep.ll
+++ /dev/null
@@ -1,29 +0,0 @@
-; RUN: llc < %s -march=x86-64 -mattr=+avx | FileCheck %s
-;
-; rdar:15221834 False AVX register dependencies cause 5x slowdown on
-; flops-6. Make sure the unused register read by vcvtsi2sdq is zeroed
-; to avoid cyclic dependence on a write to the same register in a
-; previous iteration.
-
-; CHECK-LABEL: t1:
-; CHECK-LABEL: %loop
-; CHECK: vxorps %[[REG:xmm.]], %{{xmm.}}, %{{xmm.}}
-; CHECK: vcvtsi2sdq %{{r[0-9a-x]+}}, %[[REG]], %{{xmm.}}
-define i64 @t1(i64* nocapture %x, double* nocapture %y) nounwind {
-entry:
- %vx = load i64* %x
- br label %loop
-loop:
- %i = phi i64 [ 1, %entry ], [ %inc, %loop ]
- %s1 = phi i64 [ %vx, %entry ], [ %s2, %loop ]
- %fi = sitofp i64 %i to double
- %vy = load double* %y
- %fipy = fadd double %fi, %vy
- %iipy = fptosi double %fipy to i64
- %s2 = add i64 %s1, %iipy
- %inc = add nsw i64 %i, 1
- %exitcond = icmp eq i64 %inc, 156250000
- br i1 %exitcond, label %ret, label %loop
-ret:
- ret i64 %s2
-}