-; RUN: llc -mtriple=thumbv6m-eabi -verify-machineinstrs %s -o - | FileCheck %s
-; RUN: llc -mtriple=thumbv5e-linux-gnueabi -verify-machineinstrs %s -o - | FileCheck %s
+; 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
-%0 = type { %0*, %0*, i32 }
+%struct1 = type { %struct1*, %struct1*, i32 }
+%struct2 = type { i32, i32, i32* }
-@x1 = external global %0, align 4
-@x2 = external global %0, align 4
+@x1 = external global %struct1, align 4
+@x2 = external global %struct1, align 4
-; CHECK: str r0, [r1]
-; CHECK-NEXT: str r1, [r1, #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
+}
-define void @foo(i32 %unused, %0* %x) {
- %first = getelementptr inbounds %0, %0* %x, i32 0, i32 0
- %second = getelementptr inbounds %0, %0* %x, i32 0, i32 1
- store %0* @x1, %0** %first
- store %0* %x, %0** %second
- unreachable
+; 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
}