45 lines
1.9 KiB
LLVM
45 lines
1.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -loop-unroll -S %s | FileCheck %s
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-apple-ios5.0.0"
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; The loop in the function only contains a few instructions, but they will get
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; lowered to a very large amount of target instructions.
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define void @loop_with_large_vector_ops(i32 %i, <225 x double>* %A, <225 x double>* %B) {
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; CHECK-LABEL: @loop_with_large_vector_ops(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[A_GEP:%.*]] = getelementptr <225 x double>, <225 x double>* [[A:%.*]], i32 [[IV]]
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; CHECK-NEXT: [[LV_1:%.*]] = load <225 x double>, <225 x double>* [[A_GEP]], align 8
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; CHECK-NEXT: [[B_GEP:%.*]] = getelementptr <225 x double>, <225 x double>* [[A]], i32 [[IV]]
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; CHECK-NEXT: [[LV_2:%.*]] = load <225 x double>, <225 x double>* [[B_GEP]], align 8
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; CHECK-NEXT: [[MUL:%.*]] = fmul <225 x double> [[LV_1]], [[LV_2]]
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; CHECK-NEXT: store <225 x double> [[MUL]], <225 x double>* [[B_GEP]], align 8
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; CHECK-NEXT: [[IV_NEXT]] = add nuw i32 [[IV]], 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[IV_NEXT]], 10
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; CHECK-NEXT: br i1 [[CMP]], label [[LOOP]], label [[EXIT:%.*]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %loop
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loop:
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%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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%A.gep = getelementptr <225 x double>, <225 x double>* %A, i32 %iv
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%lv.1 = load <225 x double>, <225 x double>* %A.gep, align 8
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%B.gep = getelementptr <225 x double>, <225 x double>* %A, i32 %iv
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%lv.2 = load <225 x double>, <225 x double>* %B.gep, align 8
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%mul = fmul <225 x double> %lv.1, %lv.2
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store <225 x double> %mul, <225 x double>* %B.gep, align 8
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%iv.next = add nuw i32 %iv, 1
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%cmp = icmp ult i32 %iv.next, 10
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br i1 %cmp, label %loop, label %exit
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exit:
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ret void
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}
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