You've already forked linux-packaging-mono
47 lines
1.6 KiB
LLVM
47 lines
1.6 KiB
LLVM
; RUN: llc < %s | FileCheck %s
|
|
target triple = "thumbv6---gnueabi"
|
|
|
|
; Use STM to save the three registers
|
|
; CHECK-LABEL: use_stm:
|
|
; CHECK: .save {r7, lr}
|
|
; CHECK: .setfp r7, sp
|
|
; CHECK: stm r3!, {r0, r1, r2}
|
|
; CHECK: bl throws_1
|
|
define void @use_stm(i32 %a, i32 %b, i32 %c, i32* %d) local_unnamed_addr noreturn "no-frame-pointer-elim"="true" {
|
|
entry:
|
|
%arrayidx = getelementptr inbounds i32, i32* %d, i32 2
|
|
store i32 %a, i32* %arrayidx, align 4
|
|
%arrayidx1 = getelementptr inbounds i32, i32* %d, i32 3
|
|
store i32 %b, i32* %arrayidx1, align 4
|
|
%arrayidx2 = getelementptr inbounds i32, i32* %d, i32 4
|
|
store i32 %c, i32* %arrayidx2, align 4
|
|
tail call void @throws_1(i32 %a, i32 %b, i32 %c) noreturn
|
|
unreachable
|
|
}
|
|
|
|
; Don't use STM: there is no available register to store
|
|
; the address. We could transform this with some extra math, but
|
|
; that currently isn't implemented.
|
|
; CHECK-LABEL: no_stm:
|
|
; CHECK: .save {r7, lr}
|
|
; CHECK: .setfp r7, sp
|
|
; CHECK: str r0,
|
|
; CHECK: str r1,
|
|
; CHECK: str r2,
|
|
; CHECK: bl throws_2
|
|
define void @no_stm(i32 %a, i32 %b, i32 %c, i32* %d) local_unnamed_addr noreturn "no-frame-pointer-elim"="true" {
|
|
entry:
|
|
%arrayidx = getelementptr inbounds i32, i32* %d, i32 2
|
|
store i32 %a, i32* %arrayidx, align 4
|
|
%arrayidx1 = getelementptr inbounds i32, i32* %d, i32 3
|
|
store i32 %b, i32* %arrayidx1, align 4
|
|
%arrayidx2 = getelementptr inbounds i32, i32* %d, i32 4
|
|
store i32 %c, i32* %arrayidx2, align 4
|
|
tail call void @throws_2(i32 %a, i32 %b, i32 %c, i32* %d) noreturn
|
|
unreachable
|
|
}
|
|
|
|
|
|
declare void @throws_1(i32, i32, i32) noreturn
|
|
declare void @throws_2(i32, i32, i32, i32*) noreturn
|