derek.holloway
7502bf64a4
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262 lines
18 KiB
LLVM
262 lines
18 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
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; RUN: opt < %s -passes="print<cost-model>" -cost-kind=all 2>&1 -disable-output -mtriple=thumbv8m.base | FileCheck %s --check-prefix=CHECK-T1
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; RUN: opt < %s -passes="print<cost-model>" -cost-kind=all 2>&1 -disable-output -mtriple=thumbv8m.main | FileCheck %s --check-prefix=CHECK-V8M
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; RUN: opt < %s -passes="print<cost-model>" -cost-kind=all 2>&1 -disable-output -mtriple=thumbv8.1m.main -mattr=+mve | FileCheck %s --check-prefix=CHECK-MVE
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; RUN: opt < %s -passes="print<cost-model>" -cost-kind=all 2>&1 -disable-output -mtriple=armv8a -mattr=+neon | FileCheck %s --check-prefix=CHECK-NEON
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target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
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define i32 @simple_loop_cost(i32 %N) {
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; CHECK-T1-LABEL: 'simple_loop_cost'
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br i1 %zero, label %exit, label %preheader
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br label %loop
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; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br i1 %cmp, label %loop, label %exit
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; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: ret i32 %res
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;
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; CHECK-V8M-LABEL: 'simple_loop_cost'
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br i1 %zero, label %exit, label %preheader
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br label %loop
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; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br i1 %cmp, label %loop, label %exit
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; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: ret i32 %res
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;
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; CHECK-MVE-LABEL: 'simple_loop_cost'
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; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0
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; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %zero, label %exit, label %preheader
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; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br label %loop
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; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
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; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1
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; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N
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; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %cmp, label %loop, label %exit
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; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret i32 %res
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;
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; CHECK-NEON-LABEL: 'simple_loop_cost'
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; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0
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; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %zero, label %exit, label %preheader
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; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br label %loop
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; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
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; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1
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; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N
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; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %cmp, label %loop, label %exit
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; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret i32 %res
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;
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entry:
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%zero = icmp eq i32 %N, 0
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br i1 %zero, label %exit, label %preheader
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preheader:
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br label %loop
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loop:
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%iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
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%iv.next = add nuw i32 %iv, 1
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%cmp = icmp ne i32 %iv.next, %N
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br i1 %cmp, label %loop, label %exit
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exit:
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%res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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ret i32 %res
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}
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define i32 @simple_mul_loop(ptr %A, ptr %B, i32 %N) {
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; CHECK-T1-LABEL: 'simple_mul_loop'
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br i1 %zero, label %exit, label %preheader
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br label %loop
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; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %addr.a = getelementptr i32, ptr %A, i32 %iv
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; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i32, ptr %addr.a, align 4
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %load, %load
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %addr.b = getelementptr i32, ptr %B, i32 %iv
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br i1 %cmp, label %loop, label %exit
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; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: ret i32 %res
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;
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; CHECK-V8M-LABEL: 'simple_mul_loop'
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br i1 %zero, label %exit, label %preheader
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br label %loop
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; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
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; CHECK-V8M-NEXT: Cost Model: Found costs of 0 for: %addr.a = getelementptr i32, ptr %A, i32 %iv
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; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i32, ptr %addr.a, align 4
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %load, %load
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; CHECK-V8M-NEXT: Cost Model: Found costs of 0 for: %addr.b = getelementptr i32, ptr %B, i32 %iv
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br i1 %cmp, label %loop, label %exit
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; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: ret i32 %res
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;
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; CHECK-MVE-LABEL: 'simple_mul_loop'
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; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0
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; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %zero, label %exit, label %preheader
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; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br label %loop
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; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
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; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %addr.a = getelementptr i32, ptr %A, i32 %iv
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; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i32, ptr %addr.a, align 4
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; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %load, %load
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; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %addr.b = getelementptr i32, ptr %B, i32 %iv
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; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4
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; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1
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; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N
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; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %cmp, label %loop, label %exit
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; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret i32 %res
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;
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; CHECK-NEON-LABEL: 'simple_mul_loop'
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; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0
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; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %zero, label %exit, label %preheader
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; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br label %loop
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; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
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; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %addr.a = getelementptr i32, ptr %A, i32 %iv
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; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i32, ptr %addr.a, align 4
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; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %load, %load
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; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %addr.b = getelementptr i32, ptr %B, i32 %iv
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; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4
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; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1
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; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N
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; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %cmp, label %loop, label %exit
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; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret i32 %res
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;
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entry:
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%zero = icmp eq i32 %N, 0
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br i1 %zero, label %exit, label %preheader
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preheader:
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br label %loop
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loop:
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%iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
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%addr.a = getelementptr i32, ptr %A, i32 %iv
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%load = load i32, ptr %addr.a
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%mul = mul i32 %load, %load
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%addr.b = getelementptr i32, ptr %B, i32 %iv
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store i32 %mul, ptr %addr.b
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%iv.next = add nuw i32 %iv, 1
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%cmp = icmp ne i32 %iv.next, %N
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br i1 %cmp, label %loop, label %exit
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exit:
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%res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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ret i32 %res
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}
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define i32 @simple_mul_ext_lsr_loop(ptr %A, ptr %B, i32 %N) {
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; CHECK-T1-LABEL: 'simple_mul_ext_lsr_loop'
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br i1 %zero, label %exit, label %preheader
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br label %loop
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; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
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; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %addr.a = phi ptr [ %A, %preheader ], [ %addr.a, %loop ]
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; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %addr.b = phi ptr [ %B, %preheader ], [ %addr.b, %loop ]
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; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i16, ptr %addr.a, align 2
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; CHECK-T1-NEXT: Cost Model: Found costs of 0 for: %sext = sext i16 %load to i32
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %sext, 7
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1
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; CHECK-T1-NEXT: Cost Model: Found costs of 0 for: %addr.a.next = getelementptr i16, ptr %addr.a, i32 1
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; CHECK-T1-NEXT: Cost Model: Found costs of 0 for: %addr.b.next = getelementptr i32, ptr %addr.b, i32 1
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: br i1 %cmp, label %loop, label %exit
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; CHECK-T1-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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; CHECK-T1-NEXT: Cost Model: Found costs of 1 for: ret i32 %res
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;
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; CHECK-V8M-LABEL: 'simple_mul_ext_lsr_loop'
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br i1 %zero, label %exit, label %preheader
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br label %loop
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; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
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; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %addr.a = phi ptr [ %A, %preheader ], [ %addr.a, %loop ]
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; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %addr.b = phi ptr [ %B, %preheader ], [ %addr.b, %loop ]
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; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i16, ptr %addr.a, align 2
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; CHECK-V8M-NEXT: Cost Model: Found costs of 0 for: %sext = sext i16 %load to i32
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %sext, 7
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1
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; CHECK-V8M-NEXT: Cost Model: Found costs of 0 for: %addr.a.next = getelementptr i16, ptr %addr.a, i32 1
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; CHECK-V8M-NEXT: Cost Model: Found costs of 0 for: %addr.b.next = getelementptr i32, ptr %addr.b, i32 1
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: br i1 %cmp, label %loop, label %exit
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; CHECK-V8M-NEXT: Cost Model: Found costs of RThru:1 CodeSize:0 Lat:0 SizeLat:0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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; CHECK-V8M-NEXT: Cost Model: Found costs of 1 for: ret i32 %res
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;
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; CHECK-MVE-LABEL: 'simple_mul_ext_lsr_loop'
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; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0
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; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %zero, label %exit, label %preheader
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; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br label %loop
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; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
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; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %addr.a = phi ptr [ %A, %preheader ], [ %addr.a, %loop ]
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; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %addr.b = phi ptr [ %B, %preheader ], [ %addr.b, %loop ]
|
|
; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i16, ptr %addr.a, align 2
|
|
; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %sext = sext i16 %load to i32
|
|
; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %sext, 7
|
|
; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4
|
|
; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1
|
|
; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %addr.a.next = getelementptr i16, ptr %addr.a, i32 1
|
|
; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %addr.b.next = getelementptr i32, ptr %addr.b, i32 1
|
|
; CHECK-MVE-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N
|
|
; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %cmp, label %loop, label %exit
|
|
; CHECK-MVE-NEXT: Cost Model: Found costs of 0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
|
|
; CHECK-MVE-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret i32 %res
|
|
;
|
|
; CHECK-NEON-LABEL: 'simple_mul_ext_lsr_loop'
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %zero = icmp eq i32 %N, 0
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %zero, label %exit, label %preheader
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br label %loop
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %addr.a = phi ptr [ %A, %preheader ], [ %addr.a, %loop ]
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %addr.b = phi ptr [ %B, %preheader ], [ %addr.b, %loop ]
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:1 CodeSize:1 Lat:4 SizeLat:1 for: %load = load i16, ptr %addr.a, align 2
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %sext = sext i16 %load to i32
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %mul = mul i32 %sext, 7
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: store i32 %mul, ptr %addr.b, align 4
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %iv.next = add nuw i32 %iv, 1
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %addr.a.next = getelementptr i16, ptr %addr.a, i32 1
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %addr.b.next = getelementptr i32, ptr %addr.b, i32 1
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of 1 for: %cmp = icmp ne i32 %iv.next, %N
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: br i1 %cmp, label %loop, label %exit
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of 0 for: %res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
|
|
; CHECK-NEON-NEXT: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret i32 %res
|
|
;
|
|
entry:
|
|
%zero = icmp eq i32 %N, 0
|
|
br i1 %zero, label %exit, label %preheader
|
|
|
|
preheader:
|
|
br label %loop
|
|
|
|
loop:
|
|
%iv = phi i32 [ 0, %preheader ], [ %iv.next, %loop ]
|
|
%addr.a = phi ptr [ %A, %preheader ], [ %addr.a, %loop ]
|
|
%addr.b = phi ptr [ %B, %preheader ], [ %addr.b, %loop ]
|
|
%load = load i16, ptr %addr.a
|
|
%sext = sext i16 %load to i32
|
|
%mul = mul i32 %sext, 7
|
|
store i32 %mul, ptr %addr.b
|
|
%iv.next = add nuw i32 %iv, 1
|
|
%addr.a.next = getelementptr i16, ptr %addr.a, i32 1
|
|
%addr.b.next = getelementptr i32, ptr %addr.b, i32 1
|
|
%cmp = icmp ne i32 %iv.next, %N
|
|
br i1 %cmp, label %loop, label %exit
|
|
|
|
exit:
|
|
%res = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
|
|
ret i32 %res
|
|
}
|