diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/ragreedy-hoist-spill.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/ragreedy-hoist-spill.ll | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/llvm/test/CodeGen/X86/ragreedy-hoist-spill.ll b/llvm/test/CodeGen/X86/ragreedy-hoist-spill.ll index 1d6b4f94731..46b65bd24fc 100644 --- a/llvm/test/CodeGen/X86/ragreedy-hoist-spill.ll +++ b/llvm/test/CodeGen/X86/ragreedy-hoist-spill.ll @@ -1,7 +1,7 @@ ; RUN: llc < %s -mtriple=x86_64-apple-macosx -regalloc=greedy | FileCheck %s ; This testing case is reduced from 254.gap SyFgets function. -; We make sure a spill is hoisted to a cold BB inside the hotter outer loop. +; We make sure a spill is not hoisted to a hotter outer loop. %struct.TMP.1 = type { %struct.TMP.2*, %struct.TMP.2*, [1024 x i8] } %struct.TMP.2 = type { i8*, i32, i32, i16, i16, %struct.TMP.3, i32, i8*, i32 (i8*)*, i32 (i8*, i8*, i32)*, i64 (i8*, i64, i32)*, i32 (i8*, i8*, i32)*, %struct.TMP.3, %struct.TMP.4*, i32, [3 x i8], [1 x i8], %struct.TMP.3, i32, i64 } @@ -181,10 +181,6 @@ sw.bb474: br i1 %cmp476, label %if.end517, label %do.body479.preheader do.body479.preheader: - ; CHECK: do.body479.preheader - ; spill is hoisted here. Although loop depth1 is even hotter than loop depth2, do.body479.preheader is cold. - ; CHECK: movq %r{{.*}}, {{[0-9]+}}(%rsp) - ; CHECK: land.rhs485 %cmp4833314 = icmp eq i8 undef, 0 br i1 %cmp4833314, label %if.end517, label %land.rhs485 @@ -204,8 +200,8 @@ land.lhs.true490: lor.rhs500: ; CHECK: lor.rhs500 - ; Make sure spill is hoisted to a cold preheader in outside loop. - ; CHECK-NOT: movq %r{{.*}}, {{[0-9]+}}(%rsp) + ; Make sure that we don't hoist the spill to outer loops. + ; CHECK: movq %r{{.*}}, {{[0-9]+}}(%rsp) ; CHECK: callq {{.*}}maskrune %call3.i.i2792 = call i32 @__maskrune(i32 undef, i64 256) br i1 undef, label %land.lhs.true504, label %do.body479.backedge |
