llvm-6502/test/CodeGen/X86/pre-split3.ll
Evan Cheng 5489893867 - More pre-split fixes: spill slot live interval computation bug; restore point bug.
- If a def is spilt, remember its spill index to allow its reuse.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58375 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-29 08:39:34 +00:00

27 lines
745 B
LLVM

; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -pre-alloc-split -stats |& \
; RUN: grep {pre-alloc-split} | grep {Number of intervals split} | grep 1
define i32 @t(i32 %arg) {
entry:
br label %bb6
.noexc6: ; preds = %bb6
%0 = and i32 %2, -8 ; <i32> [#uses=1]
tail call void @llvm.memmove.i32(i8* %3, i8* null, i32 %0, i32 1) nounwind
store double %1, double* null, align 8
br label %bb6
bb6: ; preds = %.noexc6, %entry
%1 = uitofp i32 %arg to double ; <double> [#uses=1]
%2 = sub i32 0, 0 ; <i32> [#uses=1]
%3 = invoke i8* @_Znwm(i32 0)
to label %.noexc6 unwind label %lpad32 ; <i8*> [#uses=1]
lpad32: ; preds = %bb6
unreachable
}
declare void @llvm.memmove.i32(i8*, i8*, i32, i32) nounwind
declare i8* @_Znwm(i32)