llvm-project/llvm/test/CodeGen/MSP430/struct_layout.ll

58 lines
1.7 KiB
LLVM

; RUN: llc < %s | FileCheck %s
target triple = "msp430"
%struct.X = type { i8 }
; CHECK-LABEL: @foo
; CHECK: sub.w #4, r1
; CHECK: mov.b #1, 3(r1)
define void @foo() {
%1 = alloca %struct.X
%2 = alloca %struct.X
%3 = alloca %struct.X
%4 = getelementptr inbounds %struct.X, %struct.X* %1, i32 0, i32 0
store i8 1, i8* %4
%5 = getelementptr inbounds %struct.X, %struct.X* %2, i32 0, i32 0
store i8 1, i8* %5
%6 = getelementptr inbounds %struct.X, %struct.X* %3, i32 0, i32 0
store i8 1, i8* %6
ret void
}
; CHECK-LABEL: @bar
; CHECK: sub.w #4, r1
; CHECK: mov.b #1, 3(r1)
define void @bar() {
%1 = alloca [3 x %struct.X]
%2 = getelementptr inbounds [3 x %struct.X], [3 x %struct.X]* %1, i16 0, i16 0
%3 = getelementptr inbounds %struct.X, %struct.X* %2, i32 0, i32 0
store i8 1, i8* %3
%4 = getelementptr inbounds [3 x %struct.X], [3 x %struct.X]* %1, i16 0, i16 1
%5 = getelementptr inbounds %struct.X, %struct.X* %4, i32 0, i32 0
store i8 1, i8* %5
%6 = getelementptr inbounds [3 x %struct.X], [3 x %struct.X]* %1, i16 0, i16 2
%7 = getelementptr inbounds %struct.X, %struct.X* %6, i32 0, i32 0
store i8 1, i8* %7
ret void
}
%struct.Y = type { i8, i16 }
; CHECK-LABEL: @baz
; CHECK: sub.w #8, r1
; CHECK: mov.w #2, 6(r1)
define void @baz() {
%1 = alloca %struct.Y, align 2
%2 = alloca %struct.Y, align 2
%3 = getelementptr inbounds %struct.Y, %struct.Y* %1, i32 0, i32 0
store i8 1, i8* %3, align 2
%4 = getelementptr inbounds %struct.Y, %struct.Y* %1, i32 0, i32 1
store i16 2, i16* %4, align 2
%5 = getelementptr inbounds %struct.Y, %struct.Y* %2, i32 0, i32 0
store i8 1, i8* %5, align 2
%6 = getelementptr inbounds %struct.Y, %struct.Y* %2, i32 0, i32 1
store i16 2, i16* %6, align 2
ret void
}