| ; RUN: opt -basicaa -slp-vectorizer -mtriple=x86_64-apple-macosx10.9.0 -mcpu=corei7-avx -S < %s | FileCheck %s |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.9.0" |
| |
| |
| ; This test used to crash because we were following phi chains incorrectly. |
| ; We used indices to get the incoming value of two phi nodes rather than |
| ; incoming block lookup. |
| ; This can give wrong results when the ordering of incoming |
| ; edges in the two phi nodes don't match. |
| ;CHECK-LABEL: bar |
| |
| %0 = type { %1, %2 } |
| %1 = type { double, double } |
| %2 = type { double, double } |
| |
| |
| ;define fastcc void @bar() { |
| define void @bar() { |
| %1 = getelementptr inbounds %0, %0* undef, i64 0, i32 1, i32 0 |
| %2 = getelementptr inbounds %0, %0* undef, i64 0, i32 1, i32 1 |
| %3 = getelementptr inbounds %0, %0* undef, i64 0, i32 1, i32 0 |
| %4 = getelementptr inbounds %0, %0* undef, i64 0, i32 1, i32 1 |
| %5 = getelementptr inbounds %0, %0* undef, i64 0, i32 1, i32 0 |
| %6 = getelementptr inbounds %0, %0* undef, i64 0, i32 1, i32 1 |
| br label %7 |
| |
| ; <label>:7 ; preds = %18, %17, %17, %0 |
| %8 = phi double [ 2.800000e+01, %0 ], [ %11, %18 ], [ %11, %17 ], [ %11, %17 ] |
| %9 = phi double [ 1.800000e+01, %0 ], [ %10, %18 ], [ %10, %17 ], [ %10, %17 ] |
| store double %9, double* %1, align 8 |
| store double %8, double* %2, align 8 |
| %10 = load double, double* %3, align 8 |
| %11 = load double, double* %4, align 8 |
| br i1 undef, label %12, label %13 |
| |
| ; <label>:12 ; preds = %7 |
| ret void |
| |
| ; <label>:13 ; preds = %7 |
| store double %10, double* %5, align 8 |
| store double %11, double* %6, align 8 |
| br i1 undef, label %14, label %15 |
| |
| ; <label>:14 ; preds = %13 |
| br label %15 |
| |
| ; <label>:15 ; preds = %14, %13 |
| br i1 undef, label %16, label %17 |
| |
| ; <label>:16 ; preds = %15 |
| unreachable |
| |
| ; <label>:17 ; preds = %15 |
| switch i32 undef, label %18 [ |
| i32 32, label %7 |
| i32 103, label %7 |
| ] |
| |
| ; <label>:18 ; preds = %17 |
| br i1 undef, label %7, label %19 |
| |
| ; <label>:19 ; preds = %18 |
| unreachable |
| } |