llvm-for-llvmta/test/CodeGen/ARM/byval_load_align.ll

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2022-04-25 10:02:23 +02:00
; RUN: llc < %s -mtriple thumbv7-apple-ios -O1 | FileCheck %s
; rdar://15144402
; Make sure we don't assume 4-byte alignment when loading from a byval argument
; with alignment of 2.
; CHECK: ldr r1, [r[[REG:[0-9]+]]]
; CHECK: ldr r2, [r[[REG]], #4]
; CHECK: ldr r3, [r[[REG]], #8]
; CHECK-NOT: ldm
; CHECK: .p2align 1 @ @sID
%struct.ModuleID = type { [32 x i8], [32 x i8], i16 }
@sID = internal constant %struct.ModuleID { [32 x i8] c"TEST\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00", [32 x i8] c"1.0\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00", i16 23 }, align 2
; Function Attrs: nounwind ssp
define void @Client() #0 {
entry:
tail call void @Logger(i8 signext 97, %struct.ModuleID* byval(%struct.ModuleID) @sID) #2
ret void
}
declare void @Logger(i8 signext, %struct.ModuleID* byval(%struct.ModuleID)) #1
attributes #0 = { nounwind ssp "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind }