llvm-6502/test/CodeGen/X86/2009-04-25-CoalescerBug.ll

20 lines
632 B
LLVM

; RUN: llvm-as < %s | llc -march=x86-64 | grep mov | count 2
; rdar://6806252
define i64 @test(i32* %tmp13) nounwind {
entry:
br label %while.cond
while.cond: ; preds = %while.cond, %entry
%tmp15 = load i32* %tmp13 ; <i32> [#uses=2]
%bf.lo = lshr i32 %tmp15, 1 ; <i32> [#uses=1]
%bf.lo.cleared = and i32 %bf.lo, 2147483647 ; <i32> [#uses=1]
%conv = zext i32 %bf.lo.cleared to i64 ; <i64> [#uses=1]
%bf.lo.cleared25 = and i32 %tmp15, 1 ; <i32> [#uses=1]
%tobool = icmp ne i32 %bf.lo.cleared25, 0 ; <i1> [#uses=1]
br i1 %tobool, label %while.cond, label %while.end
while.end: ; preds = %while.cond
ret i64 %conv
}