1; RUN: llc -march=hexagon < %s | FileCheck %s 2 3; Check that we generate 'cmph.gtu' instruction. 4; CHECK-LABEL: @cmphgtu 5; CHECK: cmph.gtu 6 7@glob = common global i8 0, align 1 8 9define i32 @cmphgtu(i32 %a0, i32 %a1) #0 { 10b2: 11 %v3 = xor i32 %a1, %a0 12 %v4 = and i32 %v3, 65535 13 %v5 = icmp ugt i32 %v4, 40 14 br i1 %v5, label %b6, label %b8 15 16b6: ; preds = %b2 17 %v7 = trunc i32 %a0 to i8 18 store i8 %v7, i8* @glob, align 1 19 br label %b8 20 21b8: ; preds = %b6, %b2 22 %v9 = phi i32 [ 1, %b6 ], [ 0, %b2 ] 23 ret i32 %v9 24} 25 26; With zxtb, we must not generate a cmph.gtu instruction. 27; CHECK-LABEL: @nocmphgtu 28; CHECK-NOT: cmph.gtu 29define i32 @nocmphgtu(i32 %a0, i32 %a1) #0 { 30b2: 31 %v3 = xor i32 %a1, %a0 32 %v4 = and i32 %v3, 255 33 %v5 = icmp ugt i32 %v4, 40 34 br i1 %v5, label %b6, label %b8 35 36b6: ; preds = %b2 37 %v7 = trunc i32 %a0 to i8 38 store i8 %v7, i8* @glob, align 1 39 br label %b8 40 41b8: ; preds = %b6, %b2 42 %v9 = phi i32 [ 1, %b6 ], [ 0, %b2 ] 43 ret i32 %v9 44} 45 46attributes #0 = { nounwind } 47