packetize-cfi-location.ll
1.93 KB
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; RUN: llc -march=hexagon < %s | FileCheck %s
target triple = "hexagon"
%type.0 = type { i32, i8**, i32, i32, i32 }
; Check that CFI is before the packet with call+allocframe.
; CHECK-LABEL: danny:
; CHECK: cfi_def_cfa
; CHECK: call throw
; CHECK-NEXT: allocframe
; Expect packet:
; {
; call throw
; allocframe(#0)
; }
define i8* @danny(%type.0* %p0, i32 %p1) #0 {
entry:
%t0 = getelementptr inbounds %type.0, %type.0* %p0, i32 0, i32 4
%t1 = load i32, i32* %t0, align 4
%th = icmp ugt i32 %t1, %p1
br i1 %th, label %if.end, label %if.then
if.then: ; preds = %entry
tail call void @throw(%type.0* nonnull %p0)
unreachable
if.end: ; preds = %entry
%t6 = getelementptr inbounds %type.0, %type.0* %p0, i32 0, i32 3
%t2 = load i32, i32* %t6, align 4
%t9 = add i32 %t2, %p1
%ta = lshr i32 %t9, 4
%tb = and i32 %t9, 15
%t7 = getelementptr inbounds %type.0, %type.0* %p0, i32 0, i32 2
%t3 = load i32, i32* %t7, align 4
%tc = icmp ult i32 %ta, %t3
%td = select i1 %tc, i32 0, i32 %t3
%te = sub i32 %ta, %td
%t8 = getelementptr inbounds %type.0, %type.0* %p0, i32 0, i32 1
%t4 = load i8**, i8*** %t8, align 4
%tf = getelementptr inbounds i8*, i8** %t4, i32 %te
%t5 = load i8*, i8** %tf, align 4
%tg = getelementptr inbounds i8, i8* %t5, i32 %tb
ret i8* %tg
}
; Check that CFI is after allocframe.
; CHECK-LABEL: sammy:
; CHECK: allocframe
; CHECK: cfi_def_cfa
define void @sammy(%type.0* %p0, i32 %p1) #0 {
entry:
%t0 = icmp sgt i32 %p1, 0
br i1 %t0, label %if.then, label %if.else
if.then:
call void @throw(%type.0* nonnull %p0)
br label %if.end
if.else:
call void @nothrow() #2
br label %if.end
if.end:
ret void
}
declare void @throw(%type.0*) #1
declare void @nothrow() #2
attributes #0 = { "target-cpu"="hexagonv55" }
attributes #1 = { noreturn "target-cpu"="hexagonv55" }
attributes #2 = { nounwind "target-cpu"="hexagonv55" }