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72e00d628d
CSmith found a case where SROA produces bitcasts from scalar to vector. This was previously asserted against in SystemZTTI, but now the BaseT implementation takes care of it.
37 lines
1.9 KiB
LLVM
37 lines
1.9 KiB
LLVM
; RUN: opt < %s -mtriple=systemz-unknown -mcpu=z15 -passes="print<cost-model>" \
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; RUN: -disable-output 2>&1 | FileCheck %s
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; Check bitcast from scalar to vector.
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@Glob = dso_local local_unnamed_addr global i32 0, align 4
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define dso_local void @fun() {
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entry:
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%d.sroa.0 = alloca i64, align 8
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store i64 0, ptr %d.sroa.0, align 8
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store i32 2, ptr @Glob, align 4
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br label %for.cond1
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for.cond1: ; preds = %for.cond1, %entry
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%L = load i64, ptr %d.sroa.0, align 8
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%A0 = and i64 %L, 4294967295
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store i64 %A0, ptr %d.sroa.0, align 8
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%BC = bitcast i64 %A0 to <2 x i32>
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%0 = and <2 x i32> %BC, splat (i32 10)
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store <2 x i32> %0, ptr %d.sroa.0, align 8
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br label %for.cond1
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; CHECK: Printing analysis 'Cost Model Analysis' for function 'fun':
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %d.sroa.0 = alloca i64, align 8
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; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store i64 0, ptr %d.sroa.0, align 8
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; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store i32 2, ptr @Glob, align 4
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; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: br label %for.cond1
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; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %L = load i64, ptr %d.sroa.0, align 8
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; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %A0 = and i64 %L, 4294967295
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; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store i64 %A0, ptr %d.sroa.0, align 8
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; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %BC = bitcast i64 %A0 to <2 x i32>
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; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %0 = and <2 x i32> %BC, splat (i32 10)
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; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store <2 x i32> %0, ptr %d.sroa.0, align 8
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; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: br label %for.cond1
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}
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