-; RUN: opt < %s -instcombine -S > %t
-; RUN: grep {icmp eq} %t
-; RUN: grep {ret i1 false} %t | count 2
-; RUN: grep {ret i1 true} %t | count 2
-; RUN: grep {icmp ne} %t
-; RUN: not grep {icmp slt} %t
+; RUN: opt < %s -instcombine -S | FileCheck %s
; PR3021
; When inst combining an FCMP with the LHS coming from a uitofp instruction, we
define i1 @test1(i32 %val) {
%1 = uitofp i32 %val to double
%2 = fcmp ole double %1, 0.000000e+00
+; CHECK: icmp eq i32 %val, 0
ret i1 %2
}
%1 = uitofp i32 %val to double
%2 = fcmp olt double %1, 0.000000e+00
ret i1 %2
+; CHECK: ret i1 false
}
define i1 @test3(i32 %val) {
%1 = uitofp i32 %val to double
%2 = fcmp oge double %1, 0.000000e+00
ret i1 %2
+; CHECK: ret i1 true
}
define i1 @test4(i32 %val) {
%1 = uitofp i32 %val to double
%2 = fcmp ogt double %1, 0.000000e+00
+; CHECK: icmp ne i32 %val, 0
ret i1 %2
}
%1 = uitofp i32 %val to double
%2 = fcmp ogt double %1, -4.400000e+00
ret i1 %2
+; CHECK: ret i1 true
}
define i1 @test6(i32 %val) {
%1 = uitofp i32 %val to double
%2 = fcmp olt double %1, -4.400000e+00
ret i1 %2
+; CHECK: ret i1 false
}