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| author | Roman Lebedev <lebedev.ri@gmail.com> | 2019-05-30 16:07:11 +0000 |
|---|---|---|
| committer | Roman Lebedev <lebedev.ri@gmail.com> | 2019-05-30 16:07:11 +0000 |
| commit | 019d270e43967558de00ee4b6d624a2225a2fb77 (patch) | |
| tree | 945cdfd751c4c967f28261d5b3b871334ec439c1 /llvm/test/CodeGen/SPARC | |
| parent | 0317e46a6322037cef6160dd7216dfe0499aaa4b (diff) | |
| download | bcm5719-llvm-019d270e43967558de00ee4b6d624a2225a2fb77.tar.gz bcm5719-llvm-019d270e43967558de00ee4b6d624a2225a2fb77.zip | |
[DAGCombine] Revert of recommit of "binop-with-const hoisting" patches
I was looking into an endless combine loop the uncommitted follow-up patch
was causing, and it appears even these patches can exibit such an
endless loop. The root cause is that we try to hoist one binop (add/sub) with
constant operand, and if we get two such binops both of which are
eligible for this hoisting, we get stuck.
Some cases may highlight missing constant-folds.
Reverts r361871,r361872,r361873,r361874.
llvm-svn: 362109
Diffstat (limited to 'llvm/test/CodeGen/SPARC')
| -rw-r--r-- | llvm/test/CodeGen/SPARC/2013-05-17-CallFrame.ll | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/test/CodeGen/SPARC/2013-05-17-CallFrame.ll b/llvm/test/CodeGen/SPARC/2013-05-17-CallFrame.ll index 274e99b114c..1a97e4e317e 100644 --- a/llvm/test/CodeGen/SPARC/2013-05-17-CallFrame.ll +++ b/llvm/test/CodeGen/SPARC/2013-05-17-CallFrame.ll @@ -15,9 +15,10 @@ define void @variable_alloca_with_adj_call_stack(i32 %num) { ; V8-NEXT: .cfi_register 15, 31 ; V8-NEXT: add %i0, 7, %i0 ; V8-NEXT: and %i0, -8, %i0 +; V8-NEXT: add %i0, 8, %i0 ; V8-NEXT: sub %sp, %i0, %i0 -; V8-NEXT: add %i0, -8, %sp -; V8-NEXT: add %i0, 88, %o0 +; V8-NEXT: add %i0, 96, %o0 +; V8-NEXT: mov %i0, %sp ; V8-NEXT: add %sp, -16, %sp ; V8-NEXT: st %o0, [%sp+104] ; V8-NEXT: st %o0, [%sp+100] |
