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| author | Dan Gohman <gohman@apple.com> | 2010-07-14 17:25:37 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-07-14 17:25:37 +0000 |
| commit | 2dd50e656f048d222aaaa57168688326fa52421b (patch) | |
| tree | 1d613b7b7658bc18d90d63a54d923fd6a9616052 /test/CodeGen | |
| parent | 7a52e65ca6233811ef8d7ab4c4eb46ae4feabfc5 (diff) | |
| download | external_llvm-2dd50e656f048d222aaaa57168688326fa52421b.zip external_llvm-2dd50e656f048d222aaaa57168688326fa52421b.tar.gz external_llvm-2dd50e656f048d222aaaa57168688326fa52421b.tar.bz2 | |
Delete fast-isel's trivial load optimization; it breaks debugging because
it can look past points where a debugger might modify user variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108336 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/X86/fast-isel-loads.ll | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/test/CodeGen/X86/fast-isel-loads.ll b/test/CodeGen/X86/fast-isel-loads.ll deleted file mode 100644 index 2fbb46c..0000000 --- a/test/CodeGen/X86/fast-isel-loads.ll +++ /dev/null @@ -1,23 +0,0 @@ -; RUN: llc -march=x86-64 -O0 -asm-verbose=false < %s | FileCheck %s - -; Fast-isel shouldn't reload the argument values from the stack. - -; CHECK: foo: -; CHECK-NEXT: movq %rdi, -8(%rsp) -; CHECK-NEXT: movq %rsi, -16(%rsp) -; CHECK-NEXT: movsd 128(%rsi,%rdi,8), %xmm0 -; CHECK-NEXT: ret - -define double @foo(i64 %x, double* %p) nounwind { -entry: - %x.addr = alloca i64, align 8 ; <i64*> [#uses=2] - %p.addr = alloca double*, align 8 ; <double**> [#uses=2] - store i64 %x, i64* %x.addr - store double* %p, double** %p.addr - %tmp = load i64* %x.addr ; <i64> [#uses=1] - %tmp1 = load double** %p.addr ; <double*> [#uses=1] - %add = add nsw i64 %tmp, 16 ; <i64> [#uses=1] - %arrayidx = getelementptr inbounds double* %tmp1, i64 %add ; <double*> [#uses=1] - %tmp2 = load double* %arrayidx ; <double> [#uses=1] - ret double %tmp2 -} |