1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-22 18:54:02 +01:00
llvm-mirror/test/Transforms/Reassociate/add_across_block_crash.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

31 lines
721 B
LLVM

; RUN: opt < %s -reassociate -S | FileCheck %s
; This test is to make sure while processing a block, uses of instructions
; from a different basic block don't get added to be re-optimized
define void @main() {
; CHECK-LABEL: @main(
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 undef, label %bb1, label %bb2
; CHECK: bb1:
; CHECK-NEXT: ret void
; CHECK: bb2:
; CHECK-NEXT: ret void
;
entry:
%0 = fadd fast float undef, undef
br i1 undef, label %bb1, label %bb2
bb1:
%1 = fmul fast float undef, -2.000000e+00
%2 = fmul fast float %1, 2.000000e+00
%3 = fadd fast float %2, 2.000000e+00
%4 = fadd fast float %3, %0
%mul351 = fmul fast float %4, 5.000000e-01
ret void
bb2:
ret void
}