27 lines
1.2 KiB
LLVM
27 lines
1.2 KiB
LLVM
; RUN: opt < %s -passes="print<cost-model>" 2>&1 -disable-output -mtriple=systemz-unknown -mcpu=z13 | FileCheck %s
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;
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; Test costs for i8 and i16 comparisons against memory with a small immediate.
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define i32 @fun0(ptr %Src, ptr %Dst, i8 %Val) {
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; CHECK: function 'fun0'
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; CHECK: Cost Model: Found an estimated cost of 0 for instruction: %Ld = load i8, ptr %Src
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %Cmp = icmp eq i8 %Ld, 123
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; CHECK: Cost Model: Found an estimated cost of 2 for instruction: %Ret = zext i1 %Cmp to i32
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: ret i32 %Ret
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%Ld = load i8, ptr %Src
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%Cmp = icmp eq i8 %Ld, 123
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%Ret = zext i1 %Cmp to i32
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ret i32 %Ret
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}
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define i32 @fun1(ptr %Src, ptr %Dst, i16 %Val) {
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; CHECK: function 'fun1'
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; CHECK: Cost Model: Found an estimated cost of 0 for instruction: %Ld = load i16, ptr %Src
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %Cmp = icmp eq i16
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; CHECK: Cost Model: Found an estimated cost of 2 for instruction: %Ret = zext i1 %Cmp to i32
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; CHECK: Cost Model: Found an estimated cost of 1 for instruction: ret i32 %Ret
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%Ld = load i16, ptr %Src
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%Cmp = icmp eq i16 %Ld, 1234
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%Ret = zext i1 %Cmp to i32
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ret i32 %Ret
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}
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