48 lines
2 KiB
LLVM
48 lines
2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
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; RUN: opt -S -passes=early-cse %s | FileCheck %s
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; Check for regression when phi support for computeKnownFPClass was
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; first committed.
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define void @compute_known_fpclass_phi_assert(i1 %cmp46, i1 %tobool51, ptr %a01) {
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; CHECK-LABEL: define void @compute_known_fpclass_phi_assert
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; CHECK-SAME: (i1 [[CMP46:%.*]], i1 [[TOBOOL51:%.*]], ptr [[A01:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_COND45:%.*]]
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; CHECK: for.cond45:
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; CHECK-NEXT: [[TMP0:%.*]] = phi double [ [[TMP1:%.*]], [[FOR_INC80:%.*]] ], [ 0.000000e+00, [[ENTRY:%.*]] ]
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; CHECK-NEXT: br i1 [[CMP46]], label [[FOR_BODY48:%.*]], label [[FOR_END82:%.*]]
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; CHECK: for.body48:
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; CHECK-NEXT: br i1 [[TOBOOL51]], label [[FOR_INC80]], label [[IF_THEN52:%.*]]
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; CHECK: if.then52:
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; CHECK-NEXT: store double 0.000000e+00, ptr [[A01]], align 8
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; CHECK-NEXT: br label [[FOR_INC80]]
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; CHECK: for.inc80:
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; CHECK-NEXT: [[TMP1]] = phi double [ 0.000000e+00, [[IF_THEN52]] ], [ [[TMP0]], [[FOR_BODY48]] ]
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; CHECK-NEXT: br label [[FOR_COND45]]
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; CHECK: for.end82:
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; CHECK-NEXT: [[MUL84:%.*]] = fmul double [[TMP0]], 0.000000e+00
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.cond45
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for.cond45: ; preds = %for.inc80, %entry
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%0 = phi double [ %1, %for.inc80 ], [ 0.000000e+00, %entry ]
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br i1 %cmp46, label %for.body48, label %for.end82
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for.body48: ; preds = %for.cond45
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br i1 %tobool51, label %for.inc80, label %if.then52
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if.then52: ; preds = %for.body48
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store double 0.000000e+00, ptr %a01, align 8
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br label %for.inc80
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for.inc80: ; preds = %if.then52, %for.body48
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%1 = phi double [ 0.000000e+00, %if.then52 ], [ %0, %for.body48 ]
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br label %for.cond45
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for.end82: ; preds = %for.cond45
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%mul84 = fmul double %0, 0.000000e+00
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%neg = fneg double %mul84
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ret void
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}
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