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| author | Andrew Trick <atrick@apple.com> | 2013-11-12 18:06:12 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2013-11-12 18:06:12 +0000 |
| commit | 0085d5e5ae45e74254c2aa682e18574cd79f3455 (patch) | |
| tree | 14dc73e28af7cc34ac7e1119d91d4b5d9b154b25 /test | |
| parent | 2f08e75a45b9fa698a49277f6cc11e041bf5fa51 (diff) | |
| download | external_llvm-0085d5e5ae45e74254c2aa682e18574cd79f3455.zip external_llvm-0085d5e5ae45e74254c2aa682e18574cd79f3455.tar.gz external_llvm-0085d5e5ae45e74254c2aa682e18574cd79f3455.tar.bz2 | |
Simplify operand folding when rematerializing a load.
We already know how to fold a reload from a frameindex without
analyzing the load instruction. Generalize this to handle any
frameindex load. This streamlines the logic for rematerializing loads
from stack arguments. As a side effect, it allows stackmaps to record
a stack argument location without spilling it.
Verified no effect on codegen for llvm test-suite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194497 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/stackmap.ll | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/test/CodeGen/X86/stackmap.ll b/test/CodeGen/X86/stackmap.ll index 9274ddf..335aaf0 100644 --- a/test/CodeGen/X86/stackmap.ll +++ b/test/CodeGen/X86/stackmap.ll @@ -1,4 +1,4 @@ -; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s +; RUN: llc < %s -mtriple=x86_64-apple-darwin -disable-fp-elim | FileCheck %s ; ; Note: Print verbose stackmaps using -debug-only=stackmaps. @@ -182,21 +182,16 @@ entry: ; CHECK: .long 11 ; CHECK-NEXT: .long L{{.*}}-_spilledValue ; CHECK-NEXT: .short 0 -; CHECK-NEXT: .short 10 +; CHECK-NEXT: .short 17 ; -; Check that at least one is a spilled entry (Indirect). +; Check that at least one is a spilled entry from RBP. +; Location: Indirect RBP + ... ; CHECK: .byte 3 ; CHECK: .byte 0 +; CHECK: .short 6 define void @spilledValue(i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) { entry: - %resolveCall = inttoptr i64 -559038737 to i8* - call void (i32, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i32 11, i32 15, i8* %resolveCall, i32 5, i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9) - -; FIXME: The Spiller needs to be able to fold all rematted loads! This -; can be seen by adding %l15 to the stackmap. -; <rdar:/15202984> [JS] Ran out of registers during register allocation -; %resolveCall = inttoptr i64 -559038737 to i8* -; call void (i32, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i32 12, i32 15, i8* %resolveCall, i32 5, i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) + call void (i32, i32, i8*, i32, ...)* @llvm.experimental.patchpoint.void(i32 11, i32 15, i8* null, i32 5, i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) ret void } |