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; An integer truncation to bool should be done with an and instruction to make
; sure only the LSBit survives. Test that this is the case both for a returned
; value and as the operand of a branch.
; RUN: llvm-as < %s | llc -march=x86 &&
; RUN: llvm-as < %s | llc -march=x86 | grep '\(and\)\|\(test.*\$1\)' | wc -l | grep 6
bool %test1(int %X) {
%Y = trunc int %X to bool
ret bool %Y
}
bool %test2(int %val, int %mask) {
entry:
%mask = trunc int %mask to ubyte
%shifted = ashr int %val, ubyte %mask
%anded = and int %shifted, 1
%trunced = trunc int %anded to bool
br bool %trunced, label %ret_true, label %ret_false
ret_true:
ret bool true
ret_false:
ret bool false
}
int %test3(sbyte* %ptr) {
%val = load sbyte* %ptr
%tmp = trunc sbyte %val to bool ; %<bool> [#uses=1]
br bool %tmp, label %cond_true, label %cond_false
cond_true:
ret int 21
cond_false:
ret int 42
}
int %test4(sbyte* %ptr) {
%tmp = ptrtoint sbyte* %ptr to bool
br bool %tmp, label %cond_true, label %cond_false
cond_true:
ret int 21
cond_false:
ret int 42
}
int %test5(float %f) {
%tmp = fptoui float %f to bool
br bool %tmp, label %cond_true, label %cond_false
cond_true:
ret int 21
cond_false:
ret int 42
}
int %test6(double %d) {
%tmp = fptosi double %d to bool
br bool %tmp, label %cond_true, label %cond_false
cond_true:
ret int 21
cond_false:
ret int 42
}
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