; RUN: llc < %s -march=x86 | FileCheck %s ; This test should get one and only one register to register mov. ; CHECK-LABEL: t: ; CHECK: movl ; CHECK-NOT: mov ; CHECK: ret define signext i16 @t() { entry: %tmp180 = load i16, i16* null, align 2 ; <i16> [#uses=3] %tmp180181 = sext i16 %tmp180 to i32 ; <i32> [#uses=1] %tmp182 = add i16 %tmp180, 10 %tmp185 = icmp slt i16 %tmp182, 0 ; <i1> [#uses=1] br i1 %tmp185, label %cond_true188, label %cond_next245 cond_true188: ; preds = %entry %tmp195196 = trunc i16 %tmp180 to i8 ; <i8> [#uses=0] ret i16 %tmp180 cond_next245: ; preds = %entry %tmp256 = and i32 %tmp180181, 15 ; <i32> [#uses=0] %tmp3 = trunc i32 %tmp256 to i16 ret i16 %tmp3 }