1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=thumbv4t-none--eabi < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V4T 2*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=thumbv6m-none--eabi < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V6M 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test1 5*9880d681SAndroid Build Coastguard Workerdefine i32 @test1(i32* %p) { 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Worker; Offsets less than 8 can be generated in a single add 8*9880d681SAndroid Build Coastguard Worker; CHECK: adds [[NEWBASE:r[0-9]]], r0, #4 9*9880d681SAndroid Build Coastguard Worker %1 = getelementptr inbounds i32, i32* %p, i32 1 10*9880d681SAndroid Build Coastguard Worker %2 = getelementptr inbounds i32, i32* %p, i32 2 11*9880d681SAndroid Build Coastguard Worker %3 = getelementptr inbounds i32, i32* %p, i32 3 12*9880d681SAndroid Build Coastguard Worker %4 = getelementptr inbounds i32, i32* %p, i32 4 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ldm [[NEWBASE]], 15*9880d681SAndroid Build Coastguard Worker %5 = load i32, i32* %1, align 4 16*9880d681SAndroid Build Coastguard Worker %6 = load i32, i32* %2, align 4 17*9880d681SAndroid Build Coastguard Worker %7 = load i32, i32* %3, align 4 18*9880d681SAndroid Build Coastguard Worker %8 = load i32, i32* %4, align 4 19*9880d681SAndroid Build Coastguard Worker 20*9880d681SAndroid Build Coastguard Worker %9 = add nsw i32 %5, %6 21*9880d681SAndroid Build Coastguard Worker %10 = add nsw i32 %9, %7 22*9880d681SAndroid Build Coastguard Worker %11 = add nsw i32 %10, %8 23*9880d681SAndroid Build Coastguard Worker ret i32 %11 24*9880d681SAndroid Build Coastguard Worker} 25*9880d681SAndroid Build Coastguard Worker 26*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test2 27*9880d681SAndroid Build Coastguard Workerdefine i32 @test2(i32* %p) { 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Worker; Offsets >=8 require a mov and an add 30*9880d681SAndroid Build Coastguard Worker; CHECK-V4T: movs [[NEWBASE:r[0-9]]], r0 31*9880d681SAndroid Build Coastguard Worker; CHECK-V6M: mov [[NEWBASE:r[0-9]]], r0 32*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: adds [[NEWBASE]], #8 33*9880d681SAndroid Build Coastguard Worker %1 = getelementptr inbounds i32, i32* %p, i32 2 34*9880d681SAndroid Build Coastguard Worker %2 = getelementptr inbounds i32, i32* %p, i32 3 35*9880d681SAndroid Build Coastguard Worker %3 = getelementptr inbounds i32, i32* %p, i32 4 36*9880d681SAndroid Build Coastguard Worker %4 = getelementptr inbounds i32, i32* %p, i32 5 37*9880d681SAndroid Build Coastguard Worker 38*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ldm [[NEWBASE]], 39*9880d681SAndroid Build Coastguard Worker %5 = load i32, i32* %1, align 4 40*9880d681SAndroid Build Coastguard Worker %6 = load i32, i32* %2, align 4 41*9880d681SAndroid Build Coastguard Worker %7 = load i32, i32* %3, align 4 42*9880d681SAndroid Build Coastguard Worker %8 = load i32, i32* %4, align 4 43*9880d681SAndroid Build Coastguard Worker 44*9880d681SAndroid Build Coastguard Worker %9 = add nsw i32 %5, %6 45*9880d681SAndroid Build Coastguard Worker %10 = add nsw i32 %9, %7 46*9880d681SAndroid Build Coastguard Worker %11 = add nsw i32 %10, %8 47*9880d681SAndroid Build Coastguard Worker ret i32 %11 48*9880d681SAndroid Build Coastguard Worker} 49