| ; RUN: llc < %s -march=x86-64 | grep cmov | count 2 |
| ; RUN: llc < %s -march=x86-64 | FileCheck %s |
| |
| ; CHECK: jne |
| ; CHECK-NOT: jne |
| |
| ; LSR's OptimizeMax function shouldn't try to eliminate this max, because |
| ; it has three operands. |
| |
| 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" |
| |
| define void @foo(double* nocapture %p, i64 %x, i64 %y) nounwind { |
| entry: |
| %tmp = icmp eq i64 %y, 0 ; <i1> [#uses=1] |
| %umax = select i1 %tmp, i64 1, i64 %y ; <i64> [#uses=2] |
| %tmp8 = icmp ugt i64 %umax, %x ; <i1> [#uses=1] |
| %umax9 = select i1 %tmp8, i64 %umax, i64 %x ; <i64> [#uses=1] |
| br label %bb4 |
| |
| bb4: ; preds = %bb4, %entry |
| %i.07 = phi i64 [ 0, %entry ], [ %2, %bb4 ] ; <i64> [#uses=2] |
| %scevgep = getelementptr double, double* %p, i64 %i.07 ; <double*> [#uses=2] |
| %0 = load double, double* %scevgep, align 8 ; <double> [#uses=1] |
| %1 = fmul double %0, 2.000000e+00 ; <double> [#uses=1] |
| store double %1, double* %scevgep, align 8 |
| %2 = add i64 %i.07, 1 ; <i64> [#uses=2] |
| %exitcond = icmp eq i64 %2, %umax9 ; <i1> [#uses=1] |
| br i1 %exitcond, label %return, label %bb4 |
| |
| return: ; preds = %bb4 |
| ret void |
| } |