; An integer truncation to i1 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 '\(and\)\|\(test.*\$1\)' | \
-; RUN: wc -l | grep 6
+; RUN: llvm-as < %s | llc -march=x86 | grep {\\(and\\)\\|\\(test.*\\\$1\\)} | \
+; RUN: count 5
-define i1 @test1(i32 %X) zext {
+define i1 @test1(i32 %X) zeroext {
%Y = trunc i32 %X to i1
ret i1 %Y
}
define i1 @test2(i32 %val, i32 %mask) {
entry:
- %maski8 = trunc i32 %mask to i8
- %shifted = ashr i32 %val, i8 %maski8
+ %shifted = ashr i32 %val, %mask
%anded = and i32 %shifted, 1
%trunced = trunc i32 %anded to i1
br i1 %trunced, label %ret_true, label %ret_false
ret i32 42
}
-define i32 @test5(float %f) {
- %tmp = fptoui float %f to i1
- br i1 %tmp, label %cond_true, label %cond_false
-cond_true:
- ret i32 21
-cond_false:
- ret i32 42
-}
-
define i32 @test6(double %d) {
%tmp = fptosi double %d to i1
br i1 %tmp, label %cond_true, label %cond_false