Teach two-address pass to re-schedule two-address instructions (or the kill
instructions of the two-address operands) in order to avoid inserting copies.
This fixes the few regressions introduced when the two-address hack was
disabled (without regressing the improvements).
rdar://10422688
llvm-svn: 144559
diff --git a/llvm/test/CodeGen/X86/lsr-reuse-trunc.ll b/llvm/test/CodeGen/X86/lsr-reuse-trunc.ll
index 5f5e093..1f87089 100644
--- a/llvm/test/CodeGen/X86/lsr-reuse-trunc.ll
+++ b/llvm/test/CodeGen/X86/lsr-reuse-trunc.ll
@@ -4,14 +4,13 @@
; Full strength reduction wouldn't reduce register pressure, so LSR should
; stick with indexing here.
-; FIXME: This is worse off from disabling of scheduler 2-address hack.
; CHECK: movaps (%{{rsi|rdx}},%rax,4), [[X3:%xmm[0-9]+]]
-; CHECK: leaq 4(%rax), %{{rcx|r9}}
; CHECK: cvtdq2ps
; CHECK: orps {{%xmm[0-9]+}}, [[X4:%xmm[0-9]+]]
; CHECK: movaps [[X4]], (%{{rdi|rcx}},%rax,4)
-; CHECK: cmpl %{{ecx|r9d}}, (%{{rdx|r8}})
-; CHECK: jg
+; CHECK: addq $4, %rax
+; CHECK: cmpl %eax, (%{{rdx|r8}})
+; CHECK-NEXT: jg
define void @vvfloorf(float* nocapture %y, float* nocapture %x, i32* nocapture %n) nounwind {
entry: