1*67e74705SXin Li // Test if PGO sample use preparation passes are executed correctly. 2*67e74705SXin Li // 3*67e74705SXin Li // Ensure that instcombine is executed after simplifycfg and sroa so that 4*67e74705SXin Li // "a < 255" will not be converted to a * 256 < 255 * 256. 5*67e74705SXin Li // RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -emit-llvm -o - 2>&1 | FileCheck %s 6*67e74705SXin Li 7*67e74705SXin Li void bar(int); foo(int x,int y,int z)8*67e74705SXin Livoid foo(int x, int y, int z) { 9*67e74705SXin Li int m; 10*67e74705SXin Li for (m = 0; m < x ; m++) { 11*67e74705SXin Li int a = (((y >> 8) & 0xff) * z) / 256; 12*67e74705SXin Li bar(a < 255 ? a : 255); 13*67e74705SXin Li } 14*67e74705SXin Li } 15*67e74705SXin Li 16*67e74705SXin Li // CHECK-NOT: icmp slt i32 %mul, 65280 17