1 ; RUN: llc < %s -march=arm | FileCheck %s 2 ; RUN: llc < %s -march=arm -mcpu=swift | FileCheck %s 3 4 ; CHECK: test1: 5 ; CHECK: ldr {{.*, \[.*]}}, -r2 6 ; CHECK-NOT: ldr 7 define i32 @test1(i32 %a, i32 %b, i32 %c) { 8 %tmp1 = mul i32 %a, %b ; <i32> [#uses=2] 9 %tmp2 = inttoptr i32 %tmp1 to i32* ; <i32*> [#uses=1] 10 %tmp3 = load i32* %tmp2 ; <i32> [#uses=1] 11 %tmp4 = sub i32 %tmp1, %c ; <i32> [#uses=1] 12 %tmp5 = mul i32 %tmp4, %tmp3 ; <i32> [#uses=1] 13 ret i32 %tmp5 14 } 15 16 ; CHECK: test2: 17 ; CHECK: ldr {{.*, \[.*\]}}, #-16 18 ; CHECK-NOT: ldr 19 define i32 @test2(i32 %a, i32 %b) { 20 %tmp1 = mul i32 %a, %b ; <i32> [#uses=2] 21 %tmp2 = inttoptr i32 %tmp1 to i32* ; <i32*> [#uses=1] 22 %tmp3 = load i32* %tmp2 ; <i32> [#uses=1] 23 %tmp4 = sub i32 %tmp1, 16 ; <i32> [#uses=1] 24 %tmp5 = mul i32 %tmp4, %tmp3 ; <i32> [#uses=1] 25 ret i32 %tmp5 26 } 27
