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