1 ; RUN: llc -march=hexagon < %s | FileCheck %s 2 ; Generate reg = cmp. 3 4 @g0 = common global i8 0, align 1 5 @g1 = common global i32 0, align 4 6 @g2 = common global i8 0, align 1 7 @g3 = global i8 65, align 1 8 9 ; CHECK-LABEL: f0: 10 ; CHECK: r{{[0-9]+}} = cmp.eq(r{{[0-9]+}},#65) 11 define i32 @f0() #0 { 12 b0: 13 %v0 = load i8, i8* @g0, align 1, !tbaa !0 14 %v1 = icmp eq i8 %v0, 65 15 %v2 = zext i1 %v1 to i32 16 %v3 = load i32, i32* @g1, align 4, !tbaa !3 17 %v4 = or i32 %v2, %v3 18 store i32 %v4, i32* @g1, align 4, !tbaa !3 19 store i8 66, i8* @g2, align 1, !tbaa !0 20 ret i32 undef 21 } 22 23 ; CHECK-LABEL: f1: 24 ; CHECK: r{{[0-9]+}} = cmp.eq(r{{[0-9]+}},r{{[0-9]+}}) 25 define i32 @f1() #0 { 26 b0: 27 %v0 = load i8, i8* @g0, align 1, !tbaa !0 28 %v1 = load i8, i8* @g3, align 1, !tbaa !0 29 %v2 = icmp eq i8 %v0, %v1 30 %v3 = zext i1 %v2 to i32 31 %v4 = load i32, i32* @g1, align 4, !tbaa !3 32 %v5 = or i32 %v3, %v4 33 store i32 %v5, i32* @g1, align 4, !tbaa !3 34 store i8 66, i8* @g2, align 1, !tbaa !0 35 ret i32 undef 36 } 37 38 attributes #0 = { nounwind } 39 40 !0 = !{!1, !1, i64 0} 41 !1 = !{!"omnipotent char", !2} 42 !2 = !{!"Simple C/C++ TBAA"} 43 !3 = !{!4, !4, i64 0} 44 !4 = !{!"int", !1} 45