1 ; RUN: opt < %s -disable-output -scalar-evolution -analyze \
2 ; RUN: | grep { --> \{-128,+,1\}<bb1> Exits: 127} | count 5
4 ; Convert (sext {-128,+,1}) to {sext(-128),+,sext(1)}, since the
5 ; trip count is within range where this is safe.
7 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"
8 target triple = "x86_64-unknown-linux-gnu"
10 define void @foo(double* nocapture %x) nounwind {
14 bb1: ; preds = %bb1, %bb1.thread
15 %i.0.reg2mem.0 = phi i64 [ -128, %bb1.thread ], [ %8, %bb1 ] ; <i64> [#uses=3]
16 %0 = trunc i64 %i.0.reg2mem.0 to i8 ; <i8> [#uses=1]
17 %1 = trunc i64 %i.0.reg2mem.0 to i9 ; <i8> [#uses=1]
18 %2 = sext i9 %1 to i64 ; <i64> [#uses=1]
19 %3 = getelementptr double* %x, i64 %2 ; <double*> [#uses=1]
20 %4 = load double* %3, align 8 ; <double> [#uses=1]
21 %5 = fmul double %4, 3.900000e+00 ; <double> [#uses=1]
22 %6 = sext i8 %0 to i64 ; <i64> [#uses=1]
23 %7 = getelementptr double* %x, i64 %6 ; <double*> [#uses=1]
24 store double %5, double* %7, align 8
25 %8 = add i64 %i.0.reg2mem.0, 1 ; <i64> [#uses=2]
26 %9 = icmp sgt i64 %8, 127 ; <i1> [#uses=1]
27 br i1 %9, label %return, label %bb1
29 return: ; preds = %bb1