; RUN: llc < %s -march=x86-64 | not grep cmov ; LSR should be able to eliminate both smax and umax expressions ; in loop trip counts. 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 @fs(double* nocapture %p, i64 %n) nounwind { entry: %tmp = icmp slt i64 %n, 1 ; <i1> [#uses=1] %smax = select i1 %tmp, i64 1, i64 %n ; <i64> [#uses=1] br label %bb bb: ; preds = %bb, %entry %i.0 = phi i64 [ 0, %entry ], [ %0, %bb ] ; <i64> [#uses=2] %scevgep = getelementptr double, double* %p, i64 %i.0 ; <double*> [#uses=1] store double 0.000000e+00, double* %scevgep, align 8 %0 = add i64 %i.0, 1 ; <i64> [#uses=2] %exitcond = icmp eq i64 %0, %smax ; <i1> [#uses=1] br i1 %exitcond, label %return, label %bb return: ; preds = %bb ret void } define void @bs(double* nocapture %p, i64 %n) nounwind { entry: %tmp = icmp sge i64 %n, 1 ; <i1> [#uses=1] %smax = select i1 %tmp, i64 %n, i64 1 ; <i64> [#uses=1] br label %bb bb: ; preds = %bb, %entry %i.0 = phi i64 [ 0, %entry ], [ %0, %bb ] ; <i64> [#uses=2] %scevgep = getelementptr double, double* %p, i64 %i.0 ; <double*> [#uses=1] store double 0.000000e+00, double* %scevgep, align 8 %0 = add i64 %i.0, 1 ; <i64> [#uses=2] %exitcond = icmp eq i64 %0, %smax ; <i1> [#uses=1] br i1 %exitcond, label %return, label %bb return: ; preds = %bb ret void } define void @fu(double* nocapture %p, i64 %n) nounwind { entry: %tmp = icmp eq i64 %n, 0 ; <i1> [#uses=1] %umax = select i1 %tmp, i64 1, i64 %n ; <i64> [#uses=1] br label %bb bb: ; preds = %bb, %entry %i.0 = phi i64 [ 0, %entry ], [ %0, %bb ] ; <i64> [#uses=2] %scevgep = getelementptr double, double* %p, i64 %i.0 ; <double*> [#uses=1] store double 0.000000e+00, double* %scevgep, align 8 %0 = add i64 %i.0, 1 ; <i64> [#uses=2] %exitcond = icmp eq i64 %0, %umax ; <i1> [#uses=1] br i1 %exitcond, label %return, label %bb return: ; preds = %bb ret void } define void @bu(double* nocapture %p, i64 %n) nounwind { entry: %tmp = icmp ne i64 %n, 0 ; <i1> [#uses=1] %umax = select i1 %tmp, i64 %n, i64 1 ; <i64> [#uses=1] br label %bb bb: ; preds = %bb, %entry %i.0 = phi i64 [ 0, %entry ], [ %0, %bb ] ; <i64> [#uses=2] %scevgep = getelementptr double, double* %p, i64 %i.0 ; <double*> [#uses=1] store double 0.000000e+00, double* %scevgep, align 8 %0 = add i64 %i.0, 1 ; <i64> [#uses=2] %exitcond = icmp eq i64 %0, %umax ; <i1> [#uses=1] br i1 %exitcond, label %return, label %bb return: ; preds = %bb ret void }