42 lines
1.3 KiB
LLVM
42 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=licm -S | FileCheck %s
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@a = external constant ptr
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define void @test(i32 %count) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP3:%.*]] = load ptr, ptr @a, align 8
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; CHECK-NEXT: br label [[FORCOND:%.*]]
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; CHECK: forcond:
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; CHECK-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FORBODY:%.*]] ]
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[I_0]], [[COUNT:%.*]]
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; CHECK-NEXT: br i1 [[CMP]], label [[FORBODY]], label [[AFTERFOR:%.*]]
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; CHECK: forbody:
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr float, ptr [[TMP3]], i32 [[I_0]]
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; CHECK-NEXT: [[TMP7:%.*]] = uitofp i32 [[I_0]] to float
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; CHECK-NEXT: store float [[TMP7]], ptr [[ARRAYIDX]], align 4
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; CHECK-NEXT: [[INC]] = add i32 [[I_0]], 1
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; CHECK-NEXT: br label [[FORCOND]]
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; CHECK: afterfor:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %forcond
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forcond:
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %forbody ]
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%cmp = icmp ult i32 %i.0, %count
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br i1 %cmp, label %forbody, label %afterfor
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forbody:
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%tmp3 = load ptr, ptr @a
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%arrayidx = getelementptr float, ptr %tmp3, i32 %i.0
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%tmp7 = uitofp i32 %i.0 to float
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store float %tmp7, ptr %arrayidx
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%inc = add i32 %i.0, 1
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br label %forcond
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afterfor:
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ret void
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}
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