| ; 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 |
| } |