1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-23 03:02:36 +01:00
llvm-mirror/test/Reduce/do-not-remove-terminator.ll
Florian Hahn 27f75460b8 [llvm-reduce] Skip terminators when reducing instructions.
Removing terminators will result in invalid IR, making further
reductions pointless. I do not think there is any valid use case where
we actually want to create invalid IR as part of a reduction.

Reviewed By: lebedev.ri

Differential Revision: https://reviews.llvm.org/D86210
2020-08-23 17:20:34 +01:00

20 lines
575 B
LLVM

; RUN: llvm-reduce --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t
; RUN: cat %t | FileCheck --check-prefixes=CHECK-FINAL %s
; Make sure we do not remove the terminator of the entry block. The interesting
; check only requires the result to define the function @test.
; Test case for PR43798.
; CHECK-INTERESTINGNESS: define i32 @test
; CHECK-FINAL: define i32 @test
; CHECK-FINAL-NEXT: entry:
; CHECK-FINAL-NEXT: ret i32
define i32 @test(i32 %x) {
entry:
%add = add i32 %x, %x
ret i32 %add
}