llvm-6502/test/CodeGen/X86/fold-sext-trunc.ll

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; RUN: llc < %s -march=x86-64 | grep movslq | count 1
; PR4050
type { i64 } ; type %0
%struct.S1 = type { i16, i32 }
@g_10 = external global %struct.S1 ; <%struct.S1*> [#uses=2]
declare void @func_28(i64, i64)
define void @int322(i32 %foo) nounwind {
entry:
%val = load i64* getelementptr (%0* bitcast (%struct.S1* @g_10 to %0*), i32 0, i32 0) ; <i64> [#uses=1]
%0 = load i32* getelementptr (%struct.S1* @g_10, i32 0, i32 1), align 4 ; <i32> [#uses=1]
%1 = sext i32 %0 to i64 ; <i64> [#uses=1]
%tmp4.i = lshr i64 %val, 32 ; <i64> [#uses=1]
%tmp5.i = trunc i64 %tmp4.i to i32 ; <i32> [#uses=1]
%2 = sext i32 %tmp5.i to i64 ; <i64> [#uses=1]
tail call void @func_28(i64 %2, i64 %1) nounwind
ret void
}