1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2 ; RUN: opt < %s -instcombine -S | FileCheck %s 3 4 ; Convert the zext+slt into a simple ult. 5 6 define i1 @scalar_zext_slt(i16 %t4) { 7 ; CHECK-LABEL: @scalar_zext_slt( 8 ; CHECK-NEXT: [[T6:%.*]] = icmp ult i16 %t4, 500 9 ; CHECK-NEXT: ret i1 [[T6]] 10 ; 11 %t5 = zext i16 %t4 to i32 12 %t6 = icmp slt i32 %t5, 500 13 ret i1 %t6 14 } 15 16 define <4 x i1> @vector_zext_slt(<4 x i16> %t4) { 17 ; CHECK-LABEL: @vector_zext_slt( 18 ; CHECK-NEXT: [[T6:%.*]] = icmp ult <4 x i16> %t4, <i16 500, i16 0, i16 501, i16 -1> 19 ; CHECK-NEXT: ret <4 x i1> [[T6]] 20 ; 21 %t5 = zext <4 x i16> %t4 to <4 x i32> 22 %t6 = icmp slt <4 x i32> %t5, <i32 500, i32 0, i32 501, i32 65535> 23 ret <4 x i1> %t6 24 } 25 26
