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; RUN: llc -march=hexagon < %s | FileCheck %s
;
; Bug 6714. Use sign-extend to promote the arguments for compare
; equal/not-equal for 8- and 16-bit types with negative constants.
; CHECK: cmp.eq{{.*}}#-16
define i32 @foo1(i16 signext %q) nounwind readnone {
entry:
%not.cmp = icmp ne i16 %q, -16
%res.0 = zext i1 %not.cmp to i32
ret i32 %res.0
}
; CHECK: cmp.eq{{.*}}#-14
define i32 @foo2(i16 signext %q) nounwind readnone {
entry:
%cmp = icmp eq i16 %q, -14
%res.0 = select i1 %cmp, i32 2, i32 0
ret i32 %res.0
}
; CHECK: cmp.eq{{.*}}#-8
define i32 @foo3(i8 signext %r) nounwind readnone {
entry:
%cmp = icmp eq i8 %r, -8
%res.0 = select i1 %cmp, i32 0, i32 3
ret i32 %res.0
}
; CHECK: cmp.eq{{.*}}#-6
define i32 @foo4(i8 signext %r) nounwind readnone {
entry:
%cmp = icmp eq i8 %r, -6
%res.0 = select i1 %cmp, i32 4, i32 0
ret i32 %res.0
}
; CHECK: cmp.eq{{.*}}#-20
define i32 @foo5(i32 %s) nounwind readnone {
entry:
%cmp = icmp eq i32 %s, -20
%res.0 = select i1 %cmp, i32 0, i32 5
ret i32 %res.0
}
; CHECK: cmp.eq{{.*}}#-18
define i32 @foo6(i32 %s) nounwind readnone {
entry:
%cmp = icmp eq i32 %s, -18
%res.0 = select i1 %cmp, i32 6, i32 0
ret i32 %res.0
}
; CHECK: cmp.eq{{.*}}#10
define i32 @foo7(i16 signext %q) nounwind readnone {
entry:
%cmp = icmp eq i16 %q, 10
%res.0 = select i1 %cmp, i32 7, i32 0
ret i32 %res.0
}
@g = external global i16
; CHECK: cmp.eq{{.*}}#-12
define i32 @foo8() nounwind readonly {
entry:
%0 = load i16, ptr @g, align 2
%cmp = icmp eq i16 %0, -12
%res.0 = select i1 %cmp, i32 0, i32 8
ret i32 %res.0
}
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