| Davide Italiano | 9f074fe | 2017-12-31 16:47:16 +0000 | [diff] [blame] | 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 | |
| 6 | declare i32 @putchar(i32) |
| 7 | |
| 8 | define 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 | |
| 27 | Zero: |
| 28 | %r0 = musttail call i32 %fn(%foo %f) |
| 29 | ret i32 %r0 |
| 30 | |
| 31 | Nonzero: |
| 32 | %r1 = tail call i32 %fn(%foo %f) |
| 33 | %1 = tail call i32 @putchar(i32 %r1) |
| 34 | ret i32 %r1 |
| 35 | } |