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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -simplifycfg -S %s | FileCheck %s
3
4%foo = type { i32 (%foo)*, i32 }
5
6declare i32 @putchar(i32)
7
8define i32 @intercept(%foo %f) {
9; CHECK-LABEL: @intercept(
10; CHECK-NEXT:    [[FN:%.*]] = extractvalue [[FOO:%.*]] %f, 0
11; CHECK-NEXT:    [[X:%.*]] = extractvalue [[FOO]] %f, 1
12; CHECK-NEXT:    [[X0:%.*]] = icmp eq i32 [[X]], 0
13; CHECK-NEXT:    br i1 [[X0]], label [[ZERO:%.*]], label [[NONZERO:%.*]]
14; CHECK:       Zero:
15; CHECK-NEXT:    [[R0:%.*]] = musttail call i32 [[FN]](%foo [[F:%.*]])
16; CHECK-NEXT:    ret i32 [[R0]]
17; CHECK:       Nonzero:
18; CHECK-NEXT:    [[R1:%.*]] = tail call i32 [[FN]](%foo [[F]])
19; CHECK-NEXT:    [[TMP1:%.*]] = tail call i32 @putchar(i32 [[R1]])
20; CHECK-NEXT:    ret i32 [[R1]]
21;
22  %fn = extractvalue %foo %f, 0
23  %x = extractvalue %foo %f, 1
24  %x0 = icmp eq i32 %x, 0
25  br i1 %x0, label %Zero, label %Nonzero
26
27Zero:
28  %r0 = musttail call i32 %fn(%foo %f)
29  ret i32 %r0
30
31Nonzero:
32  %r1 = tail call i32 %fn(%foo %f)
33  %1 = tail call i32 @putchar(i32 %r1)
34  ret i32 %r1
35}
36