summaryrefslogtreecommitdiffstats
path: root/llvm/test/Transforms/LoopVectorize/X86/reg-usage.ll
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/X86/reg-usage.ll')
-rw-r--r--llvm/test/Transforms/LoopVectorize/X86/reg-usage.ll135
1 files changed, 0 insertions, 135 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/X86/reg-usage.ll b/llvm/test/Transforms/LoopVectorize/X86/reg-usage.ll
deleted file mode 100644
index 9b276aa2bd7..00000000000
--- a/llvm/test/Transforms/LoopVectorize/X86/reg-usage.ll
+++ /dev/null
@@ -1,135 +0,0 @@
-; RUN: opt < %s -debug-only=loop-vectorize -loop-vectorize -vectorizer-maximize-bandwidth -O2 -mtriple=x86_64-unknown-linux -S 2>&1 | FileCheck %s
-; RUN: opt < %s -debug-only=loop-vectorize -loop-vectorize -vectorizer-maximize-bandwidth -O2 -mtriple=x86_64-unknown-linux -mattr=+avx512f -S 2>&1 | FileCheck %s --check-prefix=AVX512F
-; REQUIRES: asserts
-
-@a = global [1024 x i8] zeroinitializer, align 16
-@b = global [1024 x i8] zeroinitializer, align 16
-
-define i32 @foo() {
-; This function has a loop of SAD pattern. Here we check when VF = 16 the
-; register usage doesn't exceed 16.
-;
-; CHECK-LABEL: foo
-; CHECK: LV(REG): VF = 8
-; CHECK-NEXT: LV(REG): Found max usage: 7
-; CHECK: LV(REG): VF = 16
-; CHECK-NEXT: LV(REG): Found max usage: 13
-
-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: LV(REG): VF = 8
-; CHECK-NEXT: LV(REG): Found max usage: 7
-; CHECK: LV(REG): VF = 16
-; CHECK-NEXT: LV(REG): Found max usage: 13
-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: LV(REG): VF = 2
-; CHECK: LV(REG): Found max usage: 3
-;
-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) {
-; For c[i] = e[d[i]] in the loop, e[d[i]] is not consecutive but its index %tmp can
-; be gathered into a vector. For VF == 16, the vector version of %tmp will be <16 x i64>
-; so the max usage of AVX512 vector register will be 2.
-; AVX512F-LABEL: bar
-; AVX512F: LV(REG): VF = 16
-; AVX512F: LV(REG): Found max usage: 2
-;
-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
-}
OpenPOWER on IntegriCloud