1; RUN: opt < %s -instcombine -S | FileCheck %s 2 3; PR1738 4define i1 @test1(double %X, double %Y) { 5 %tmp9 = fcmp ord double %X, 0.000000e+00 6 %tmp13 = fcmp ord double %Y, 0.000000e+00 7 %bothcond = and i1 %tmp13, %tmp9 8 ret i1 %bothcond 9; CHECK: fcmp ord double %Y, %X 10} 11 12define i1 @test2(i1 %X, i1 %Y) { 13 %a = and i1 %X, %Y 14 %b = and i1 %a, %X 15 ret i1 %b 16; CHECK: @test2 17; CHECK-NEXT: and i1 %X, %Y 18; CHECK-NEXT: ret 19} 20 21define i32 @test3(i32 %X, i32 %Y) { 22 %a = and i32 %X, %Y 23 %b = and i32 %Y, %a 24 ret i32 %b 25; CHECK: @test3 26; CHECK-NEXT: and i32 %X, %Y 27; CHECK-NEXT: ret 28} 29 30define i1 @test4(i32 %X) { 31 %a = icmp ult i32 %X, 31 32 %b = icmp slt i32 %X, 0 33 %c = and i1 %a, %b 34 ret i1 %c 35; CHECK: @test4 36; CHECK-NEXT: ret i1 false 37} 38