1; RUN: opt < %s -instcombine -S | FileCheck %s
2
3; CHECK-LABEL: @t1(
4define zeroext i8 @t1(float %x, float %y) nounwind {
5       %a = fcmp ueq float %x, %y             ; <i1> [#uses=1]
6       %b = fcmp uno float %x, %y               ; <i1> [#uses=1]
7       %c = or i1 %a, %b
8; CHECK-NOT: fcmp uno
9; CHECK: fcmp ueq
10       %retval = zext i1 %c to i8
11       ret i8 %retval
12}
13
14; CHECK-LABEL: @t2(
15define zeroext i8 @t2(float %x, float %y) nounwind {
16       %a = fcmp olt float %x, %y             ; <i1> [#uses=1]
17       %b = fcmp oeq float %x, %y               ; <i1> [#uses=1]
18; CHECK-NOT: fcmp olt
19; CHECK-NOT: fcmp oeq
20; CHECK: fcmp ole
21       %c = or i1 %a, %b
22       %retval = zext i1 %c to i8
23       ret i8 %retval
24}
25
26; CHECK-LABEL: @t3(
27define zeroext i8 @t3(float %x, float %y) nounwind {
28       %a = fcmp ult float %x, %y             ; <i1> [#uses=1]
29       %b = fcmp uge float %x, %y               ; <i1> [#uses=1]
30       %c = or i1 %a, %b
31       %retval = zext i1 %c to i8
32; CHECK: ret i8 1
33       ret i8 %retval
34}
35
36; CHECK-LABEL: @t4(
37define zeroext i8 @t4(float %x, float %y) nounwind {
38       %a = fcmp ult float %x, %y             ; <i1> [#uses=1]
39       %b = fcmp ugt float %x, %y               ; <i1> [#uses=1]
40       %c = or i1 %a, %b
41; CHECK-NOT: fcmp ult
42; CHECK-NOT: fcmp ugt
43; CHECK: fcmp une
44       %retval = zext i1 %c to i8
45       ret i8 %retval
46}
47
48; CHECK-LABEL: @t5(
49define zeroext i8 @t5(float %x, float %y) nounwind {
50       %a = fcmp olt float %x, %y             ; <i1> [#uses=1]
51       %b = fcmp oge float %x, %y               ; <i1> [#uses=1]
52       %c = or i1 %a, %b
53; CHECK-NOT: fcmp olt
54; CHECK-NOT: fcmp oge
55; CHECK: fcmp ord
56       %retval = zext i1 %c to i8
57       ret i8 %retval
58}
59