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| ; RUN: opt -S -loop-vectorize -force-vector-width=2 -force-vector-interleave=1 < %s | FileCheck %s
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"
; Make sure we can vectorize loops which contain lifetime markers.
; CHECK-LABEL: @test(
; CHECK: call void @llvm.lifetime.end
; CHECK: store <2 x i32>
; CHECK: call void @llvm.lifetime.start
define void @test(i32 *%d) {
entry:
%arr = alloca [1024 x i32], align 16
%0 = bitcast [1024 x i32]* %arr to i8*
call void @llvm.lifetime.start.p0i8(i64 4096, i8* %0) #1
br label %for.body
for.body:
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
call void @llvm.lifetime.end.p0i8(i64 4096, i8* %0) #1
%arrayidx = getelementptr inbounds i32, i32* %d, i64 %indvars.iv
%1 = load i32, i32* %arrayidx, align 8
store i32 100, i32* %arrayidx, align 8
call void @llvm.lifetime.start.p0i8(i64 4096, i8* %0) #1
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
%exitcond = icmp ne i32 %lftr.wideiv, 128
br i1 %exitcond, label %for.body, label %for.end
for.end:
call void @llvm.lifetime.end.p0i8(i64 4096, i8* %0) #1
ret void
}
; CHECK-LABEL: @testbitcast(
; CHECK: call void @llvm.lifetime.end
; CHECK: store <2 x i32>
; CHECK: call void @llvm.lifetime.start
define void @testbitcast(i32 *%d) {
entry:
%arr = alloca [1024 x i32], align 16
%0 = bitcast [1024 x i32]* %arr to i8*
call void @llvm.lifetime.start.p0i8(i64 4096, i8* %0) #1
br label %for.body
for.body:
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%1 = bitcast [1024 x i32]* %arr to i8*
call void @llvm.lifetime.end.p0i8(i64 4096, i8* %1) #1
%arrayidx = getelementptr inbounds i32, i32* %d, i64 %indvars.iv
%2 = load i32, i32* %arrayidx, align 8
store i32 100, i32* %arrayidx, align 8
call void @llvm.lifetime.start.p0i8(i64 4096, i8* %1) #1
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
%exitcond = icmp ne i32 %lftr.wideiv, 128
br i1 %exitcond, label %for.body, label %for.end
for.end:
call void @llvm.lifetime.end.p0i8(i64 4096, i8* %0) #1
ret void
}
; CHECK-LABEL: @testloopvariant(
; CHECK: call void @llvm.lifetime.end
; CHECK: store <2 x i32>
; CHECK: call void @llvm.lifetime.start
define void @testloopvariant(i32 *%d) {
entry:
%arr = alloca [1024 x i32], align 16
br label %for.body
for.body:
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%0 = getelementptr [1024 x i32], [1024 x i32]* %arr, i32 0, i64 %indvars.iv
%1 = bitcast [1024 x i32]* %arr to i8*
call void @llvm.lifetime.end.p0i8(i64 4096, i8* %1) #1
%arrayidx = getelementptr inbounds i32, i32* %d, i64 %indvars.iv
%2 = load i32, i32* %arrayidx, align 8
store i32 100, i32* %arrayidx, align 8
call void @llvm.lifetime.start.p0i8(i64 4096, i8* %1) #1
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
%exitcond = icmp ne i32 %lftr.wideiv, 128
br i1 %exitcond, label %for.body, label %for.end
for.end:
ret void
}
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
|