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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AVR/issue-163015.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

33 lines
1.2 KiB
LLVM

; RUN: llc < %s -mtriple=avr | FileCheck %s
@ui1 = protected local_unnamed_addr global i64 zeroinitializer, align 8
@ui2 = protected local_unnamed_addr global i64 zeroinitializer, align 8
@failed = private unnamed_addr addrspace(1) constant [12 x i8] c"test failed\00"
@stats2 = external protected global i16, align 1
; CHECK-LABEL: main:
define i32 @main() addrspace(1) {
entry:
store i64 94, ptr @ui1, align 8
store i64 53, ptr @ui2, align 8
tail call addrspace(1) void @foo(i16 ptrtoint (ptr addrspace(1) @failed to i16), i16 11, i8 2, i16 32, ptr @stats2)
%11 = load i64, ptr @ui1, align 8
%12 = load i64, ptr @ui2, align 8
; COM: CHECK: call __udivdi3
%15 = udiv i64 %11, %12
; look for the buggy pattern where r30/r31 are being clobbered, corrupting the stack pointer
; CHECK-NOT: std Z+{{[1-9]+}}, r30
; CHECK-NOT: std Z+{{[1-9]+}}, r31
; CHECK: call expect
tail call addrspace(1) void @expect(i64 %15, i64 1, i16 ptrtoint (ptr addrspace(1) @failed to i16), i16 11, i8 2, i16 33)
; CHECK: ret
ret i32 0
}
declare protected void @expect(i64, i64, i16, i16, i8, i16) local_unnamed_addr addrspace(1) #0
declare protected void @foo(i16, i16, i8, i16, i16) local_unnamed_addr addrspace(1) #0