1 ; RUN: opt < %s -instcombine -S | FileCheck %s
4 ; When inst combining an FCMP with the LHS coming from a uitofp instruction, we
5 ; can't lower it to signed ICMP instructions.
7 define i1 @test1(i32 %val) {
8 %1 = uitofp i32 %val to double
9 %2 = fcmp ole double %1, 0.000000e+00
10 ; CHECK: icmp eq i32 %val, 0
14 define i1 @test2(i32 %val) {
15 %1 = uitofp i32 %val to double
16 %2 = fcmp olt double %1, 0.000000e+00
21 define i1 @test3(i32 %val) {
22 %1 = uitofp i32 %val to double
23 %2 = fcmp oge double %1, 0.000000e+00
28 define i1 @test4(i32 %val) {
29 %1 = uitofp i32 %val to double
30 %2 = fcmp ogt double %1, 0.000000e+00
31 ; CHECK: icmp ne i32 %val, 0
35 define i1 @test5(i32 %val) {
36 %1 = uitofp i32 %val to double
37 %2 = fcmp ogt double %1, -4.400000e+00
42 define i1 @test6(i32 %val) {
43 %1 = uitofp i32 %val to double
44 %2 = fcmp olt double %1, -4.400000e+00