; RUN: opt < %s -instcombine -S | FileCheck %s ; PR1738 define i1 @test1(double %X, double %Y) { %tmp9 = fcmp ord double %X, 0.000000e+00 %tmp13 = fcmp ord double %Y, 0.000000e+00 %bothcond = and i1 %tmp13, %tmp9 ret i1 %bothcond ; CHECK: fcmp ord double %Y, %X } define i1 @test2(i1 %X, i1 %Y) { %a = and i1 %X, %Y %b = and i1 %a, %X ret i1 %b ; CHECK: @test2 ; CHECK-NEXT: and i1 %X, %Y ; CHECK-NEXT: ret } define i32 @test3(i32 %X, i32 %Y) { %a = and i32 %X, %Y %b = and i32 %Y, %a ret i32 %b ; CHECK: @test3 ; CHECK-NEXT: and i32 %X, %Y ; CHECK-NEXT: ret } define i1 @test4(i32 %X) { %a = icmp ult i32 %X, 31 %b = icmp slt i32 %X, 0 %c = and i1 %a, %b ret i1 %c ; CHECK: @test4 ; CHECK-NEXT: ret i1 false } ; Make sure we don't go into an infinite loop with this test define <4 x i32> @test5(<4 x i32> %A) { %1 = xor <4 x i32> %A, <i32 1, i32 2, i32 3, i32 4> %2 = and <4 x i32> <i32 1, i32 2, i32 3, i32 4>, %1 ret <4 x i32> %2 }