minimize test case and remove unnecessary opt passes

llvm-svn: 241418

llvm/test/Transforms/SLPVectorizer/X86/pr19657.ll

@@ -1,4 +1,4 @@
-; RUN: opt < %s -O1 -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7-avx | FileCheck %s
+; RUN: opt < %s -basicaa -slp-vectorizer -S -mcpu=corei7-avx | FileCheck %s
 
 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
 target triple = "x86_64-unknown-linux-gnu"
@@ -7,67 +7,26 @@ target triple = "x86_64-unknown-linux-gnu"
 ; CHECK: fadd <2 x double>
 ; CHECK: store <2 x double>
 
-; Function Attrs: nounwind uwtable
-define void @foo(double* %x) #0 {
-  %1 = alloca double*, align 8
-  store double* %x, double** %1, align 8
-  %2 = load double*, double** %1, align 8
-  %3 = getelementptr inbounds double, double* %2, i64 0
-  %4 = load double, double* %3, align 8
-  %5 = load double*, double** %1, align 8
-  %6 = getelementptr inbounds double, double* %5, i64 0
-  %7 = load double, double* %6, align 8
-  %8 = fadd double %4, %7
-  %9 = load double*, double** %1, align 8
-  %10 = getelementptr inbounds double, double* %9, i64 0
-  %11 = load double, double* %10, align 8
-  %12 = fadd double %8, %11
-  %13 = load double*, double** %1, align 8
-  %14 = getelementptr inbounds double, double* %13, i64 0
-  store double %12, double* %14, align 8
-  %15 = load double*, double** %1, align 8
-  %16 = getelementptr inbounds double, double* %15, i64 1
-  %17 = load double, double* %16, align 8
-  %18 = load double*, double** %1, align 8
-  %19 = getelementptr inbounds double, double* %18, i64 1
-  %20 = load double, double* %19, align 8
-  %21 = fadd double %17, %20
-  %22 = load double*, double** %1, align 8
-  %23 = getelementptr inbounds double, double* %22, i64 1
-  %24 = load double, double* %23, align 8
-  %25 = fadd double %21, %24
-  %26 = load double*, double** %1, align 8
-  %27 = getelementptr inbounds double, double* %26, i64 1
-  store double %25, double* %27, align 8
-  %28 = load double*, double** %1, align 8
-  %29 = getelementptr inbounds double, double* %28, i64 2
-  %30 = load double, double* %29, align 8
-  %31 = load double*, double** %1, align 8
-  %32 = getelementptr inbounds double, double* %31, i64 2
-  %33 = load double, double* %32, align 8
-  %34 = fadd double %30, %33
-  %35 = load double*, double** %1, align 8
-  %36 = getelementptr inbounds double, double* %35, i64 2
-  %37 = load double, double* %36, align 8
-  %38 = fadd double %34, %37
-  %39 = load double*, double** %1, align 8
-  %40 = getelementptr inbounds double, double* %39, i64 2
-  store double %38, double* %40, align 8
-  %41 = load double*, double** %1, align 8
-  %42 = getelementptr inbounds double, double* %41, i64 3
-  %43 = load double, double* %42, align 8
-  %44 = load double*, double** %1, align 8
-  %45 = getelementptr inbounds double, double* %44, i64 3
-  %46 = load double, double* %45, align 8
-  %47 = fadd double %43, %46
-  %48 = load double*, double** %1, align 8
-  %49 = getelementptr inbounds double, double* %48, i64 3
-  %50 = load double, double* %49, align 8
-  %51 = fadd double %47, %50
-  %52 = load double*, double** %1, align 8
-  %53 = getelementptr inbounds double, double* %52, i64 3
-  store double %51, double* %53, align 8
+define void @foo(double* %x) {
+  %1 = load double, double* %x, align 8
+  %2 = fadd double %1, %1
+  %3 = fadd double %2, %1
+  store double %3, double* %x, align 8
+  %4 = getelementptr inbounds double, double* %x, i64 1
+  %5 = load double, double* %4, align 8
+  %6 = fadd double %5, %5
+  %7 = fadd double %6, %5
+  store double %7, double* %4, align 8
+  %8 = getelementptr inbounds double, double* %x, i64 2
+  %9 = load double, double* %8, align 8
+  %10 = fadd double %9, %9
+  %11 = fadd double %10, %9
+  store double %11, double* %8, align 8
+  %12 = getelementptr inbounds double, double* %x, i64 3
+  %13 = load double, double* %12, align 8
+  %14 = fadd double %13, %13
+  %15 = fadd double %14, %13
+  store double %15, double* %12, align 8
   ret void
 }
 
-attributes #0 = { nounwind }