| ; RUN: llc -mtriple=thumbv6m-eabi -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-T1 |
| ; RUN: llc -mtriple=thumbv5e-linux-gnueabi -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-T1 |
| ; RUN: llc -mtriple=thumbv7m -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-T2 |
| ; RUN: llc -mtriple=thumbv7a -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-T2 |
| |
| %struct1 = type { %struct1*, %struct1*, i32 } |
| %struct2 = type { i32, i32, i32* } |
| |
| @x1 = external global %struct1, align 4 |
| @x2 = external global %struct1, align 4 |
| |
| declare void @fn1(i32, i32) |
| declare void @fn2(%struct2*) |
| |
| ; CHECK-LABEL: test1: |
| ; CHECK-T1: str r0, [r1] |
| ; CHECK-T1-NEXT: str r1, [r1, #4] |
| ; CHECK-T2: strd r0, r1, [r1] |
| ; CHECK-NOT: stm |
| define void @test1(i32 %unused, %struct1* %x) { |
| %first = getelementptr inbounds %struct1, %struct1* %x, i32 0, i32 0 |
| %second = getelementptr inbounds %struct1, %struct1* %x, i32 0, i32 1 |
| store %struct1* @x1, %struct1** %first |
| store %struct1* %x, %struct1** %second |
| ret void |
| } |
| |
| ; CHECK-LABEL: test2: |
| ; CHECK-T1: str r0, [r2] |
| ; CHECK-T1-NEXT: str r1, [r2, #4] |
| ; CHECK-T1-NEXT: str r2, [r2, #8] |
| ; CHECK-T2: stm.w r2, {r0, r1, r2} |
| ; CHECK-NOT: stm r2!, {r0, r1, r2} |
| define i32 @test2(i32 %a, i32 %b, %struct2* %p) { |
| entry: |
| %p1 = getelementptr inbounds %struct2, %struct2* %p, i32 0, i32 0 |
| %p2 = getelementptr inbounds %struct2, %struct2* %p, i32 0, i32 1 |
| %p3 = getelementptr inbounds %struct2, %struct2* %p, i32 0, i32 2 |
| store i32 %a, i32* %p1, align 4 |
| store i32 %b, i32* %p2, align 4 |
| store i32* %p1, i32** %p3, align 4 |
| call void @fn1(i32 %a, i32 %b) |
| ret i32 0 |
| } |
| |
| ; CHECK-LABEL: test3: |
| ; CHECK-T1: str r0, [r2] |
| ; CHECK-T1-NEXT: str r1, [r2, #4] |
| ; CHECK-T1-NEXT: str r2, [r2, #8] |
| ; CHECK-T2: stm.w r2, {r0, r1, r2} |
| ; CHECK-NOT: stm r2!, {r0, r1, r2} |
| define i32 @test3(i32 %a, i32 %b, %struct2* %p) { |
| entry: |
| %p1 = getelementptr inbounds %struct2, %struct2* %p, i32 0, i32 0 |
| %p2 = getelementptr inbounds %struct2, %struct2* %p, i32 0, i32 1 |
| %p3 = getelementptr inbounds %struct2, %struct2* %p, i32 0, i32 2 |
| store i32 %a, i32* %p1, align 4 |
| store i32 %b, i32* %p2, align 4 |
| store i32* %p1, i32** %p3, align 4 |
| %p4 = getelementptr inbounds %struct2, %struct2* %p, i32 1 |
| call void @fn2(%struct2* %p4) |
| ret i32 0 |
| } |
| |
| ; FIXME: We should be using stm in both thumb1 and thumb2 |
| ; CHECK-LABEL: test4: |
| ; CHECK-T1: str r0, [r0] |
| ; CHECK-T1-NEXT: str r1, [r0, #4] |
| ; CHECK-T1-NEXT: str r2, [r0, #8] |
| ; CHECK-T2: stm r0!, {r0, r1, r2} |
| define i32 @test4(%struct1* %p, %struct1* %q, i32 %a) { |
| entry: |
| %p1 = getelementptr inbounds %struct1, %struct1* %p, i32 0, i32 0 |
| %p2 = getelementptr inbounds %struct1, %struct1* %p, i32 0, i32 1 |
| %p3 = getelementptr inbounds %struct1, %struct1* %p, i32 0, i32 2 |
| store %struct1* %p, %struct1** %p1, align 4 |
| store %struct1* %q, %struct1** %p2, align 4 |
| store i32 %a, i32* %p3, align 4 |
| call void @fn1(i32 %a, i32 %a) |
| ret i32 0 |
| } |