diff options
Diffstat (limited to 'test/CodeGen/X86/ragreedy-last-chance-recoloring.ll')
| -rw-r--r-- | test/CodeGen/X86/ragreedy-last-chance-recoloring.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/X86/ragreedy-last-chance-recoloring.ll b/test/CodeGen/X86/ragreedy-last-chance-recoloring.ll index f3669fb..d8e4572 100644 --- a/test/CodeGen/X86/ragreedy-last-chance-recoloring.ll +++ b/test/CodeGen/X86/ragreedy-last-chance-recoloring.ll @@ -2,6 +2,16 @@ ; Without the last chance recoloring, this test fails with: ; "ran out of registers". +; RUN: not llc -regalloc=greedy -relocation-model=pic -lcr-max-depth=0 < %s 2>&1 | FileCheck %s --check-prefix=CHECK-DEPTH +; Test whether failure due to cutoff for depth is reported + +; RUN: not llc -regalloc=greedy -relocation-model=pic -lcr-max-interf=1 < %s 2>&1 | FileCheck %s --check-prefix=CHECK-INTERF +; Test whether failure due to cutoff for interference is reported + +; RUN: llc -regalloc=greedy -relocation-model=pic -lcr-max-interf=1 -lcr-max-depth=0 -exhaustive-register-search < %s > %t 2>&1 +; RUN: FileCheck --input-file=%t %s --check-prefix=CHECK-EXHAUSTIVE +; Test whether exhaustive-register-search can bypass the depth and interference cutoffs of last chance recoloring + target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128" target triple = "i386-apple-macosx" @@ -12,6 +22,9 @@ target triple = "i386-apple-macosx" ; Function Attrs: nounwind ssp ; CHECK-NOT: ran out of registers during register allocation +; CHECK-INTERF: error: register allocation failed: maximum interference for recoloring reached +; CHECK-DEPTH: error: register allocation failed: maximum depth for recoloring reached +; CHECK-EXHAUSTIVE-NOT: error: register allocation failed: maximum {{depth|interference}} for recoloring reached define void @fp_dh_f870bf31fd8ffe068450366e3f05389a(i8* %arg) #0 { bb: indirectbr i8* undef, [label %bb85, label %bb206] |