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|
; RUN: opt < %s -mcpu=corei7 -O1 -S -unroll-allow-partial=0 | FileCheck %s --check-prefix=O1
; RUN: opt < %s -mcpu=corei7 -O2 -S -unroll-allow-partial=0 | FileCheck %s --check-prefix=O2
; RUN: opt < %s -mcpu=corei7 -O3 -S -unroll-allow-partial=0 | FileCheck %s --check-prefix=O3
; RUN: opt < %s -mcpu=corei7 -Os -S -unroll-allow-partial=0 | FileCheck %s --check-prefix=Os
; RUN: opt < %s -mcpu=corei7 -Oz -S -unroll-allow-partial=0 | FileCheck %s --check-prefix=Oz
; RUN: opt < %s -mcpu=corei7 -O1 -vectorize-loops -S -unroll-allow-partial=0 | FileCheck %s --check-prefix=O1VEC
; RUN: opt < %s -mcpu=corei7 -Oz -vectorize-loops -S -unroll-allow-partial=0 | FileCheck %s --check-prefix=OzVEC
; RUN: opt < %s -mcpu=corei7 -O1 -loop-vectorize -S -unroll-allow-partial=0 | FileCheck %s --check-prefix=O1VEC2
; RUN: opt < %s -mcpu=corei7 -Oz -loop-vectorize -S -unroll-allow-partial=0 | FileCheck %s --check-prefix=OzVEC2
; RUN: opt < %s -mcpu=corei7 -O3 -disable-loop-vectorization -S -unroll-allow-partial=0 | FileCheck %s --check-prefix=O3DIS
; This file tests the llvm.loop.vectorize.enable metadata forcing
; vectorization even when optimization levels are too low, or when
; vectorization is disabled.
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; O1-LABEL: @enabled(
; O1: store <4 x i32>
; O1: ret i32
; O2-LABEL: @enabled(
; O2: store <4 x i32>
; O2: ret i32
; O3-LABEL: @enabled(
; O3: store <4 x i32>
; O3: ret i32
; Pragma always wins!
; O3DIS-LABEL: @enabled(
; O3DIS: store <4 x i32>
; O3DIS: ret i32
; Os-LABEL: @enabled(
; Os: store <4 x i32>
; Os: ret i32
; Oz-LABEL: @enabled(
; Oz: store <4 x i32>
; Oz: ret i32
; O1VEC-LABEL: @enabled(
; O1VEC: store <4 x i32>
; O1VEC: ret i32
; OzVEC-LABEL: @enabled(
; OzVEC: store <4 x i32>
; OzVEC: ret i32
; O1VEC2-LABEL: @enabled(
; O1VEC2: store <4 x i32>
; O1VEC2: ret i32
; OzVEC2-LABEL: @enabled(
; OzVEC2: store <4 x i32>
; OzVEC2: ret i32
define i32 @enabled(i32* noalias nocapture %a, i32* noalias nocapture readonly %b, i32 %N) {
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%arrayidx = getelementptr inbounds i32* %b, i64 %indvars.iv
%0 = load i32* %arrayidx, align 4
%add = add nsw i32 %0, %N
%arrayidx2 = getelementptr inbounds i32* %a, i64 %indvars.iv
store i32 %add, i32* %arrayidx2, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp eq i64 %indvars.iv.next, 32
br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0
for.end: ; preds = %for.body
%1 = load i32* %a, align 4
ret i32 %1
}
; O1-LABEL: @nopragma(
; O1-NOT: store <4 x i32>
; O1: ret i32
; O2-LABEL: @nopragma(
; O2: store <4 x i32>
; O2: ret i32
; O3-LABEL: @nopragma(
; O3: store <4 x i32>
; O3: ret i32
; O3DIS-LABEL: @nopragma(
; O3DIS-NOT: store <4 x i32>
; O3DIS: ret i32
; Os-LABEL: @nopragma(
; Os: store <4 x i32>
; Os: ret i32
; Oz-LABEL: @nopragma(
; Oz-NOT: store <4 x i32>
; Oz: ret i32
; O1VEC-LABEL: @nopragma(
; O1VEC: store <4 x i32>
; O1VEC: ret i32
; OzVEC-LABEL: @nopragma(
; OzVEC: store <4 x i32>
; OzVEC: ret i32
; O1VEC2-LABEL: @nopragma(
; O1VEC2: store <4 x i32>
; O1VEC2: ret i32
; OzVEC2-LABEL: @nopragma(
; OzVEC2: store <4 x i32>
; OzVEC2: ret i32
define i32 @nopragma(i32* noalias nocapture %a, i32* noalias nocapture readonly %b, i32 %N) {
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%arrayidx = getelementptr inbounds i32* %b, i64 %indvars.iv
%0 = load i32* %arrayidx, align 4
%add = add nsw i32 %0, %N
%arrayidx2 = getelementptr inbounds i32* %a, i64 %indvars.iv
store i32 %add, i32* %arrayidx2, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp eq i64 %indvars.iv.next, 32
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body
%1 = load i32* %a, align 4
ret i32 %1
}
; O1-LABEL: @disabled(
; O1-NOT: store <4 x i32>
; O1: ret i32
; O2-LABEL: @disabled(
; O2-NOT: store <4 x i32>
; O2: ret i32
; O3-LABEL: @disabled(
; O3-NOT: store <4 x i32>
; O3: ret i32
; O3DIS-LABEL: @disabled(
; O3DIS-NOT: store <4 x i32>
; O3DIS: ret i32
; Os-LABEL: @disabled(
; Os-NOT: store <4 x i32>
; Os: ret i32
; Oz-LABEL: @disabled(
; Oz-NOT: store <4 x i32>
; Oz: ret i32
; O1VEC-LABEL: @disabled(
; O1VEC-NOT: store <4 x i32>
; O1VEC: ret i32
; OzVEC-LABEL: @disabled(
; OzVEC-NOT: store <4 x i32>
; OzVEC: ret i32
; O1VEC2-LABEL: @disabled(
; O1VEC2-NOT: store <4 x i32>
; O1VEC2: ret i32
; OzVEC2-LABEL: @disabled(
; OzVEC2-NOT: store <4 x i32>
; OzVEC2: ret i32
define i32 @disabled(i32* noalias nocapture %a, i32* noalias nocapture readonly %b, i32 %N) {
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%arrayidx = getelementptr inbounds i32* %b, i64 %indvars.iv
%0 = load i32* %arrayidx, align 4
%add = add nsw i32 %0, %N
%arrayidx2 = getelementptr inbounds i32* %a, i64 %indvars.iv
store i32 %add, i32* %arrayidx2, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp eq i64 %indvars.iv.next, 32
br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !2
for.end: ; preds = %for.body
%1 = load i32* %a, align 4
ret i32 %1
}
!0 = !{!0, !1}
!1 = !{!"llvm.loop.vectorize.enable", i1 1}
!2 = !{!2, !3}
!3 = !{!"llvm.loop.vectorize.enable", i1 0}
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