forked from OSchip/llvm-project
36 lines
1.1 KiB
LLVM
36 lines
1.1 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -simplifycfg -S %s | FileCheck %s
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%foo = type { i32 (%foo)*, i32 }
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declare i32 @putchar(i32)
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define i32 @intercept(%foo %f) {
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; CHECK-LABEL: @intercept(
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; CHECK-NEXT: [[FN:%.*]] = extractvalue [[FOO:%.*]] %f, 0
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; CHECK-NEXT: [[X:%.*]] = extractvalue [[FOO]] %f, 1
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; CHECK-NEXT: [[X0:%.*]] = icmp eq i32 [[X]], 0
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; CHECK-NEXT: br i1 [[X0]], label [[ZERO:%.*]], label [[NONZERO:%.*]]
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; CHECK: Zero:
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; CHECK-NEXT: [[R0:%.*]] = musttail call i32 [[FN]](%foo [[F:%.*]])
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; CHECK-NEXT: ret i32 [[R0]]
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; CHECK: Nonzero:
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; CHECK-NEXT: [[R1:%.*]] = tail call i32 [[FN]](%foo [[F]])
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; CHECK-NEXT: [[TMP1:%.*]] = tail call i32 @putchar(i32 [[R1]])
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; CHECK-NEXT: ret i32 [[R1]]
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;
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%fn = extractvalue %foo %f, 0
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%x = extractvalue %foo %f, 1
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%x0 = icmp eq i32 %x, 0
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br i1 %x0, label %Zero, label %Nonzero
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Zero:
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%r0 = musttail call i32 %fn(%foo %f)
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ret i32 %r0
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Nonzero:
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%r1 = tail call i32 %fn(%foo %f)
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%1 = tail call i32 @putchar(i32 %r1)
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ret i32 %r1
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}
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