1 ; RUN: opt < %s -scalar-evolution -analyze \ 2 ; RUN: | FileCheck %s 3 4 ; CHECK: --> (sext i{{.}} {{{.*}},+,{{.*}}}<%bb1> to i64) 5 ; CHECK: --> (sext i{{.}} {{{.*}},+,{{.*}}}<%bb1> to i64) 6 ; CHECK: --> (sext i{{.}} {{{.*}},+,{{.*}}}<%bb1> to i64) 7 ; CHECK: --> (sext i{{.}} {{{.*}},+,{{.*}}}<%bb1> to i64) 8 ; CHECK: --> (sext i{{.}} {{{.*}},+,{{.*}}}<%bb1> to i64) 9 ; CHECK-NOT: --> (sext 10 11 ; Don't convert (sext {...,+,...}) to {sext(...),+,sext(...)} in cases 12 ; where the trip count is not within range. 13 14 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" 15 target triple = "x86_64-unknown-linux-gnu" 16 17 define void @foo0(double* nocapture %x) nounwind { 18 bb1.thread: 19 br label %bb1 20 21 bb1: ; preds = %bb1, %bb1.thread 22 %i.0.reg2mem.0 = phi i64 [ -128, %bb1.thread ], [ %8, %bb1 ] ; <i64> [#uses=3] 23 %0 = trunc i64 %i.0.reg2mem.0 to i7 ; <i8> [#uses=1] 24 %1 = trunc i64 %i.0.reg2mem.0 to i9 ; <i8> [#uses=1] 25 %2 = sext i9 %1 to i64 ; <i64> [#uses=1] 26 %3 = getelementptr double, double* %x, i64 %2 ; <double*> [#uses=1] 27 %4 = load double, double* %3, align 8 ; <double> [#uses=1] 28 %5 = fmul double %4, 3.900000e+00 ; <double> [#uses=1] 29 %6 = sext i7 %0 to i64 ; <i64> [#uses=1] 30 %7 = getelementptr double, double* %x, i64 %6 ; <double*> [#uses=1] 31 store double %5, double* %7, align 8 32 %8 = add i64 %i.0.reg2mem.0, 1 ; <i64> [#uses=2] 33 %9 = icmp sgt i64 %8, 127 ; <i1> [#uses=1] 34 br i1 %9, label %return, label %bb1 35 36 return: ; preds = %bb1 37 ret void 38 } 39 40 define void @foo1(double* nocapture %x) nounwind { 41 bb1.thread: 42 br label %bb1 43 44 bb1: ; preds = %bb1, %bb1.thread 45 %i.0.reg2mem.0 = phi i64 [ -128, %bb1.thread ], [ %8, %bb1 ] ; <i64> [#uses=3] 46 %0 = trunc i64 %i.0.reg2mem.0 to i8 ; <i8> [#uses=1] 47 %1 = trunc i64 %i.0.reg2mem.0 to i9 ; <i8> [#uses=1] 48 %2 = sext i9 %1 to i64 ; <i64> [#uses=1] 49 %3 = getelementptr double, double* %x, i64 %2 ; <double*> [#uses=1] 50 %4 = load double, double* %3, align 8 ; <double> [#uses=1] 51 %5 = fmul double %4, 3.900000e+00 ; <double> [#uses=1] 52 %6 = sext i8 %0 to i64 ; <i64> [#uses=1] 53 %7 = getelementptr double, double* %x, i64 %6 ; <double*> [#uses=1] 54 store double %5, double* %7, align 8 55 %8 = add i64 %i.0.reg2mem.0, 1 ; <i64> [#uses=2] 56 %9 = icmp sgt i64 %8, 128 ; <i1> [#uses=1] 57 br i1 %9, label %return, label %bb1 58 59 return: ; preds = %bb1 60 ret void 61 } 62 63 define void @foo2(double* nocapture %x) nounwind { 64 bb1.thread: 65 br label %bb1 66 67 bb1: ; preds = %bb1, %bb1.thread 68 %i.0.reg2mem.0 = phi i64 [ -129, %bb1.thread ], [ %8, %bb1 ] ; <i64> [#uses=3] 69 %0 = trunc i64 %i.0.reg2mem.0 to i8 ; <i8> [#uses=1] 70 %1 = trunc i64 %i.0.reg2mem.0 to i9 ; <i8> [#uses=1] 71 %2 = sext i9 %1 to i64 ; <i64> [#uses=1] 72 %3 = getelementptr double, double* %x, i64 %2 ; <double*> [#uses=1] 73 %4 = load double, double* %3, align 8 ; <double> [#uses=1] 74 %5 = fmul double %4, 3.900000e+00 ; <double> [#uses=1] 75 %6 = sext i8 %0 to i64 ; <i64> [#uses=1] 76 %7 = getelementptr double, double* %x, i64 %6 ; <double*> [#uses=1] 77 store double %5, double* %7, align 8 78 %8 = add i64 %i.0.reg2mem.0, 1 ; <i64> [#uses=2] 79 %9 = icmp sgt i64 %8, 127 ; <i1> [#uses=1] 80 br i1 %9, label %return, label %bb1 81 82 return: ; preds = %bb1 83 ret void 84 } 85 86 define void @foo3(double* nocapture %x) nounwind { 87 bb1.thread: 88 br label %bb1 89 90 bb1: ; preds = %bb1, %bb1.thread 91 %i.0.reg2mem.0 = phi i64 [ -128, %bb1.thread ], [ %8, %bb1 ] ; <i64> [#uses=3] 92 %0 = trunc i64 %i.0.reg2mem.0 to i8 ; <i8> [#uses=1] 93 %1 = trunc i64 %i.0.reg2mem.0 to i9 ; <i8> [#uses=1] 94 %2 = sext i9 %1 to i64 ; <i64> [#uses=1] 95 %3 = getelementptr double, double* %x, i64 %2 ; <double*> [#uses=1] 96 %4 = load double, double* %3, align 8 ; <double> [#uses=1] 97 %5 = fmul double %4, 3.900000e+00 ; <double> [#uses=1] 98 %6 = sext i8 %0 to i64 ; <i64> [#uses=1] 99 %7 = getelementptr double, double* %x, i64 %6 ; <double*> [#uses=1] 100 store double %5, double* %7, align 8 101 %8 = add i64 %i.0.reg2mem.0, -1 ; <i64> [#uses=2] 102 %9 = icmp sgt i64 %8, 127 ; <i1> [#uses=1] 103 br i1 %9, label %return, label %bb1 104 105 return: ; preds = %bb1 106 ret void 107 } 108
