1 ; RUN: llc < %s -relocation-model=static -march=x86 | FileCheck %s 2 3 ; This should produce two shll instructions, not any lea's. 4 5 target triple = "i686-apple-darwin8" 6 @Y = weak global i32 0 ; <i32*> [#uses=1] 7 @X = weak global i32 0 ; <i32*> [#uses=2] 8 9 10 define void @fn1() { 11 ; CHECK: fn1: 12 ; CHECK-NOT: ret 13 ; CHECK-NOT: lea 14 ; CHECK: shll $3 15 ; CHECK-NOT: lea 16 ; CHECK: ret 17 18 %tmp = load i32* @Y ; <i32> [#uses=1] 19 %tmp1 = shl i32 %tmp, 3 ; <i32> [#uses=1] 20 %tmp2 = load i32* @X ; <i32> [#uses=1] 21 %tmp3 = or i32 %tmp1, %tmp2 ; <i32> [#uses=1] 22 store i32 %tmp3, i32* @X 23 ret void 24 } 25 26 define i32 @fn2(i32 %X, i32 %Y) { 27 ; CHECK: fn2: 28 ; CHECK-NOT: ret 29 ; CHECK-NOT: lea 30 ; CHECK: shll $3 31 ; CHECK-NOT: lea 32 ; CHECK: ret 33 34 %tmp2 = shl i32 %Y, 3 ; <i32> [#uses=1] 35 %tmp4 = or i32 %tmp2, %X ; <i32> [#uses=1] 36 ret i32 %tmp4 37 } 38 39
