-; RUN: llc < %s | FileCheck %s
+; RUN: llc < %s -mcpu=nehalem | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.7"
%x.02 = phi <4 x i32> [ %add, %while.body ], [ zeroinitializer, %entry ]
%dec = add nsw i32 %n.addr.03, -1
%and = and <4 x i32> %x.02, <i32 127, i32 127, i32 127, i32 127>
- %incdec.ptr = getelementptr inbounds <4 x i32>* %p.addr.04, i64 1
+ %incdec.ptr = getelementptr inbounds <4 x i32>, <4 x i32>* %p.addr.04, i64 1
store <4 x i32> %and, <4 x i32>* %p.addr.04, align 16
- %0 = load <4 x i32>* %incdec.ptr, align 16
+ %0 = load <4 x i32>, <4 x i32>* %incdec.ptr, align 16
%add = shl <4 x i32> %0, <i32 1, i32 1, i32 1, i32 1>
%tobool = icmp eq i32 %dec, 0
br i1 %tobool, label %while.end, label %while.body
while.end:
ret void
}
-
-; CHECK: f2
-; CHECK: for.body
-;
-; This loop contains two cvtsi2ss instructions that update the same xmm
-; register. Verify that the execution dependency fix pass breaks those
-; dependencies by inserting xorps instructions.
-;
-; If the register allocator chooses different registers for the two cvtsi2ss
-; instructions, they are still dependent on themselves.
-; CHECK: xorps [[XMM1:%xmm[0-9]+]]
-; CHECK: , [[XMM1]]
-; CHECK: cvtsi2ss %{{.*}}, [[XMM1]]
-; CHECK: xorps [[XMM2:%xmm[0-9]+]]
-; CHECK: , [[XMM2]]
-; CHECK: cvtsi2ss %{{.*}}, [[XMM2]]
-;
-define float @f2(i32 %m) nounwind uwtable readnone ssp {
-entry:
- %tobool3 = icmp eq i32 %m, 0
- br i1 %tobool3, label %for.end, label %for.body
-
-for.body: ; preds = %entry, %for.body
- %m.addr.07 = phi i32 [ %dec, %for.body ], [ %m, %entry ]
- %s1.06 = phi float [ %add, %for.body ], [ 0.000000e+00, %entry ]
- %s2.05 = phi float [ %add2, %for.body ], [ 0.000000e+00, %entry ]
- %n.04 = phi i32 [ %inc, %for.body ], [ 1, %entry ]
- %conv = sitofp i32 %n.04 to float
- %add = fadd float %s1.06, %conv
- %conv1 = sitofp i32 %m.addr.07 to float
- %add2 = fadd float %s2.05, %conv1
- %inc = add nsw i32 %n.04, 1
- %dec = add nsw i32 %m.addr.07, -1
- %tobool = icmp eq i32 %dec, 0
- br i1 %tobool, label %for.end, label %for.body
-
-for.end: ; preds = %for.body, %entry
- %s1.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %add, %for.body ]
- %s2.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %add2, %for.body ]
- %sub = fsub float %s1.0.lcssa, %s2.0.lcssa
- ret float %sub
-}