derek.holloway
7502bf64a4
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82 lines
4.1 KiB
LLVM
82 lines
4.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -passes="print<cost-model>" -cost-kind=all 2>&1 -disable-output -mtriple thumbv8.1-m.main -mattr=+dsp < %s | FileCheck %s
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; RUN: opt -passes="print<cost-model>" -cost-kind=all 2>&1 -disable-output -mtriple thumbv8.1-m.main < %s | FileCheck %s --check-prefix=CHECK-NO-DSP
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define i64 @test(i16 %a, i16 %b) {
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; CHECK-LABEL: 'test'
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; CHECK-NEXT: Cost Model: Found costs of 1 for: %as = zext i16 %a to i32
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; CHECK-NEXT: Cost Model: Found costs of 1 for: %bs = zext i16 %b to i32
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; CHECK-NEXT: Cost Model: Found costs of 0 for: %m = mul i32 %as, %bs
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; CHECK-NEXT: Cost Model: Found costs of 1 for: %ms = zext i32 %m to i64
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; CHECK-NEXT: Cost Model: Found costs of 1 for: ret i64 %ms
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;
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; CHECK-NO-DSP-LABEL: 'test'
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 1 for: %as = zext i16 %a to i32
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 1 for: %bs = zext i16 %b to i32
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 1 for: %m = mul i32 %as, %bs
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 1 for: %ms = zext i32 %m to i64
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 1 for: ret i64 %ms
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;
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%as = zext i16 %a to i32
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%bs = zext i16 %b to i32
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%m = mul i32 %as, %bs
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%ms = zext i32 %m to i64
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ret i64 %ms
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}
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define i64 @withadd(i16 %a, i16 %b, i64 %c) {
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; CHECK-LABEL: 'withadd'
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; CHECK-NEXT: Cost Model: Found costs of 1 for: %as = zext i16 %a to i32
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; CHECK-NEXT: Cost Model: Found costs of 1 for: %bs = zext i16 %b to i32
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; CHECK-NEXT: Cost Model: Found costs of 0 for: %m = mul i32 %as, %bs
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; CHECK-NEXT: Cost Model: Found costs of 1 for: %ms = zext i32 %m to i64
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; CHECK-NEXT: Cost Model: Found costs of 2 for: %r = add i64 %c, %ms
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; CHECK-NEXT: Cost Model: Found costs of 1 for: ret i64 %r
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;
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; CHECK-NO-DSP-LABEL: 'withadd'
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 1 for: %as = zext i16 %a to i32
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 1 for: %bs = zext i16 %b to i32
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 1 for: %m = mul i32 %as, %bs
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 1 for: %ms = zext i32 %m to i64
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 2 for: %r = add i64 %c, %ms
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 1 for: ret i64 %r
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;
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%as = zext i16 %a to i32
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%bs = zext i16 %b to i32
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%m = mul i32 %as, %bs
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%ms = zext i32 %m to i64
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%r = add i64 %c, %ms
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ret i64 %r
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}
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define i64 @withloads(ptr %pa, ptr %pb, i64 %c) {
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; CHECK-LABEL: 'withloads'
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; CHECK-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %a = load i16, ptr %pa, align 2
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; CHECK-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %b = load i16, ptr %pb, align 2
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; CHECK-NEXT: Cost Model: Found costs of 0 for: %as = zext i16 %a to i32
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; CHECK-NEXT: Cost Model: Found costs of 0 for: %bs = zext i16 %b to i32
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; CHECK-NEXT: Cost Model: Found costs of 0 for: %m = mul i32 %as, %bs
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; CHECK-NEXT: Cost Model: Found costs of 1 for: %ms = zext i32 %m to i64
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; CHECK-NEXT: Cost Model: Found costs of 2 for: %r = add i64 %c, %ms
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; CHECK-NEXT: Cost Model: Found costs of 1 for: ret i64 %r
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;
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; CHECK-NO-DSP-LABEL: 'withloads'
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %a = load i16, ptr %pa, align 2
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %b = load i16, ptr %pb, align 2
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 0 for: %as = zext i16 %a to i32
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 0 for: %bs = zext i16 %b to i32
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 1 for: %m = mul i32 %as, %bs
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 1 for: %ms = zext i32 %m to i64
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 2 for: %r = add i64 %c, %ms
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; CHECK-NO-DSP-NEXT: Cost Model: Found costs of 1 for: ret i64 %r
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;
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%a = load i16, ptr %pa
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%b = load i16, ptr %pb
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%as = zext i16 %a to i32
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%bs = zext i16 %b to i32
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%m = mul i32 %as, %bs
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%ms = zext i32 %m to i64
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%r = add i64 %c, %ms
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ret i64 %r
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}
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