130 lines
4.5 KiB
LLVM
130 lines
4.5 KiB
LLVM
; RUN: opt < %s -debug-only=loop-vectorize -loop-vectorize -vectorizer-maximize-bandwidth -O2 -mtriple=powerpc64-unknown-linux -S -mcpu=pwr8 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-PWR8
|
|
; RUN: opt < %s -debug-only=loop-vectorize -loop-vectorize -vectorizer-maximize-bandwidth -O2 -mtriple=powerpc64le-unknown-linux -S -mcpu=pwr9 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-PWR9
|
|
; REQUIRES: asserts
|
|
|
|
@a = global [1024 x i8] zeroinitializer, align 16
|
|
@b = global [1024 x i8] zeroinitializer, align 16
|
|
|
|
define i32 @foo() {
|
|
; CHECK-LABEL: foo
|
|
|
|
; CHECK-PWR8: Setting best plan to VF=16, UF=4
|
|
|
|
; CHECK-PWR9: Setting best plan to VF=8, UF=8
|
|
|
|
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.cond.cleanup:
|
|
%add.lcssa = phi i32 [ %add, %for.body ]
|
|
ret i32 %add.lcssa
|
|
|
|
for.body:
|
|
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
|
%s.015 = phi i32 [ 0, %entry ], [ %add, %for.body ]
|
|
%arrayidx = getelementptr inbounds [1024 x i8], [1024 x i8]* @a, i64 0, i64 %indvars.iv
|
|
%0 = load i8, i8* %arrayidx, align 1
|
|
%conv = zext i8 %0 to i32
|
|
%arrayidx2 = getelementptr inbounds [1024 x i8], [1024 x i8]* @b, i64 0, i64 %indvars.iv
|
|
%1 = load i8, i8* %arrayidx2, align 1
|
|
%conv3 = zext i8 %1 to i32
|
|
%sub = sub nsw i32 %conv, %conv3
|
|
%ispos = icmp sgt i32 %sub, -1
|
|
%neg = sub nsw i32 0, %sub
|
|
%2 = select i1 %ispos, i32 %sub, i32 %neg
|
|
%add = add nsw i32 %2, %s.015
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp eq i64 %indvars.iv.next, 1024
|
|
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
|
}
|
|
|
|
define i32 @goo() {
|
|
; For indvars.iv used in a computating chain only feeding into getelementptr or cmp,
|
|
; it will not have vector version and the vector register usage will not exceed the
|
|
; available vector register number.
|
|
|
|
; CHECK-LABEL: goo
|
|
|
|
; CHECK: Setting best plan to VF=16, UF=4
|
|
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.cond.cleanup: ; preds = %for.body
|
|
%add.lcssa = phi i32 [ %add, %for.body ]
|
|
ret i32 %add.lcssa
|
|
|
|
for.body: ; preds = %for.body, %entry
|
|
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
|
%s.015 = phi i32 [ 0, %entry ], [ %add, %for.body ]
|
|
%tmp1 = add nsw i64 %indvars.iv, 3
|
|
%arrayidx = getelementptr inbounds [1024 x i8], [1024 x i8]* @a, i64 0, i64 %tmp1
|
|
%tmp = load i8, i8* %arrayidx, align 1
|
|
%conv = zext i8 %tmp to i32
|
|
%tmp2 = add nsw i64 %indvars.iv, 2
|
|
%arrayidx2 = getelementptr inbounds [1024 x i8], [1024 x i8]* @b, i64 0, i64 %tmp2
|
|
%tmp3 = load i8, i8* %arrayidx2, align 1
|
|
%conv3 = zext i8 %tmp3 to i32
|
|
%sub = sub nsw i32 %conv, %conv3
|
|
%ispos = icmp sgt i32 %sub, -1
|
|
%neg = sub nsw i32 0, %sub
|
|
%tmp4 = select i1 %ispos, i32 %sub, i32 %neg
|
|
%add = add nsw i32 %tmp4, %s.015
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp eq i64 %indvars.iv.next, 1024
|
|
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
|
}
|
|
|
|
define i64 @bar(i64* nocapture %a) {
|
|
; CHECK-LABEL: bar
|
|
|
|
; CHECK: Setting best plan to VF=2, UF=12
|
|
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.cond.cleanup:
|
|
%add2.lcssa = phi i64 [ %add2, %for.body ]
|
|
ret i64 %add2.lcssa
|
|
|
|
for.body:
|
|
%i.012 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
|
|
%s.011 = phi i64 [ 0, %entry ], [ %add2, %for.body ]
|
|
%arrayidx = getelementptr inbounds i64, i64* %a, i64 %i.012
|
|
%0 = load i64, i64* %arrayidx, align 8
|
|
%add = add nsw i64 %0, %i.012
|
|
store i64 %add, i64* %arrayidx, align 8
|
|
%add2 = add nsw i64 %add, %s.011
|
|
%inc = add nuw nsw i64 %i.012, 1
|
|
%exitcond = icmp eq i64 %inc, 1024
|
|
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
|
}
|
|
|
|
@d = external global [0 x i64], align 8
|
|
@e = external global [0 x i32], align 4
|
|
@c = external global [0 x i32], align 4
|
|
|
|
define void @hoo(i32 %n) {
|
|
; CHECK-LABEL: hoo
|
|
; CHECK: Setting best plan to VF=1, UF=12
|
|
|
|
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 [0 x i64], [0 x i64]* @d, i64 0, i64 %indvars.iv
|
|
%tmp = load i64, i64* %arrayidx, align 8
|
|
%arrayidx1 = getelementptr inbounds [0 x i32], [0 x i32]* @e, i64 0, i64 %tmp
|
|
%tmp1 = load i32, i32* %arrayidx1, align 4
|
|
%arrayidx3 = getelementptr inbounds [0 x i32], [0 x i32]* @c, i64 0, i64 %indvars.iv
|
|
store i32 %tmp1, i32* %arrayidx3, align 4
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp eq i64 %indvars.iv.next, 10000
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body
|
|
ret void
|
|
}
|