49 lines
1.3 KiB
LLVM
49 lines
1.3 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt -S -passes='default<O3>' < %s | FileCheck %s
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define i8 @test_switch_with_sext_phi(i8 %code) {
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; CHECK-LABEL: define noundef i8 @test_switch_with_sext_phi(
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; CHECK-SAME: i8 [[CODE:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: switch i8 [[CODE]], label [[SW_EPILOG:%.*]] [
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; CHECK-NEXT: i8 76, label [[SW_BB3:%.*]]
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; CHECK-NEXT: i8 108, label [[SW_BB2:%.*]]
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; CHECK-NEXT: ]
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; CHECK: sw.bb2:
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; CHECK-NEXT: br label [[SW_EPILOG]]
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; CHECK: sw.bb3:
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; CHECK-NEXT: br label [[SW_EPILOG]]
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; CHECK: sw.epilog:
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; CHECK-NEXT: [[PEP_CODE:%.*]] = phi i8 [ 81, [[SW_BB3]] ], [ 113, [[SW_BB2]] ], [ [[CODE]], [[ENTRY:%.*]] ]
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; CHECK-NEXT: ret i8 [[PEP_CODE]]
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;
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entry:
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%conv = sext i8 %code to i32
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switch i32 %conv, label %sw.default [
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i32 105, label %sw.epilog
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i32 73, label %sw.bb1
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i32 108, label %sw.bb2
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i32 76, label %sw.bb3
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i32 63, label %sw.bb4
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]
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sw.bb1:
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br label %sw.epilog
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sw.bb2:
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br label %sw.epilog
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sw.bb3:
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br label %sw.epilog
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sw.bb4:
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br label %sw.epilog
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sw.default:
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br label %sw.epilog
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sw.epilog:
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%pep_code = phi i8 [ %code, %sw.default ], [ 63, %sw.bb4 ], [ 81, %sw.bb3 ], [ 113, %sw.bb2 ], [ 73, %sw.bb1 ], [ 105, %entry ]
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ret i8 %pep_code
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}
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