coalesce_tfri.ll
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; RUN: llc -march=hexagon < %s | FileCheck %s
target triple = "hexagon"
@g0 = external global i32
@g1 = external global i32, align 4
@g2 = external hidden unnamed_addr constant [49 x i8], align 8
@g3 = external hidden unnamed_addr constant [76 x i8], align 8
@g4 = external unnamed_addr constant { i8*, i8* }
@g5 = external hidden unnamed_addr constant [36 x i8], align 8
declare void @f0()
declare i32 @f1()
declare i32 @f2(i32)
declare void @f3()
; Function Attrs: nounwind
declare void ()* @f4(void ()*) #0
; Function Attrs: nounwind
declare void ()* @f5(void ()*) #0
; CHECK: f6:
; CHECK-DAG: call f4
; CHECK-DAG: r0 = ##f3
; CHECK-DAG: call f5
; CHECK-DAG: r0 = ##f0
; CHECK-DAG: call f8
; CHECK-DAG: r0 = ##g2
; CHECK-DAG: call f9
; CHECK-DAG: call f8
; CHECK-DAG: r0 = ##g3
; CHECK-DAG: call f10
; CHECK-DAG: r0 = #4
; CHECK-DAG: r{{[0-9]+}} = ##g1
define i32 @f6() personality i8* bitcast (i32 (...)* @f11 to i8*) {
b0:
tail call void @f7()
%v0 = tail call void ()* @f4(void ()* @f3) #0
%v1 = tail call void ()* @f5(void ()* @f0) #0
tail call void (i8*, ...) @f8(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @g2, i32 0, i32 0))
tail call void @f9()
tail call void (i8*, ...) @f8(i8* getelementptr inbounds ([76 x i8], [76 x i8]* @g3, i32 0, i32 0))
%v2 = tail call i8* @f10(i32 4) #0
%v3 = load i32, i32* @g1, align 4, !tbaa !0
%v4 = add nsw i32 %v3, 1
store i32 %v4, i32* @g1, align 4, !tbaa !0
invoke void @f12(i8* %v2, i8* bitcast ({ i8*, i8* }* @g4 to i8*), i8* null) #1
to label %b7 unwind label %b1
b1: ; preds = %b0
%v5 = landingpad { i8*, i32 }
catch i8* null
%v6 = extractvalue { i8*, i32 } %v5, 0
%v7 = tail call i8* @f13(i8* %v6) #0
store i32 0, i32* @g1, align 4, !tbaa !0
invoke void @f14() #1
to label %b7 unwind label %b2
b2: ; preds = %b1
%v8 = landingpad { i8*, i32 }
catch i8* null
invoke void @f15()
to label %b3 unwind label %b6
b3: ; preds = %b2
%v9 = extractvalue { i8*, i32 } %v8, 0
%v10 = tail call i8* @f13(i8* %v9) #0
tail call void @f15()
%v11 = load i32, i32* @g1, align 4, !tbaa !0
%v12 = icmp eq i32 %v11, 0
br i1 %v12, label %b5, label %b4
b4: ; preds = %b3
tail call void (i8*, ...) @f8(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @g5, i32 0, i32 0))
store i32 1, i32* @g0, align 4, !tbaa !0
br label %b5
b5: ; preds = %b4, %b3
%v13 = tail call i32 @f1()
%v14 = tail call i32 @f2(i32 1)
ret i32 %v14
b6: ; preds = %b2
%v15 = landingpad { i8*, i32 }
catch i8* null
tail call void @f16() #2
unreachable
b7: ; preds = %b1, %b0
unreachable
}
declare void @f7()
declare void @f8(i8*, ...)
declare void @f9()
declare i8* @f10(i32)
declare i32 @f11(...)
declare void @f12(i8*, i8*, i8*)
declare i8* @f13(i8*)
declare void @f14()
declare void @f15()
declare void @f16()
attributes #0 = { nounwind }
attributes #1 = { noreturn }
attributes #2 = { noreturn nounwind }
!0 = !{!1, !1, i64 0}
!1 = !{!"int", !2}
!2 = !{!"omnipotent char", !3}
!3 = !{!"Simple C/C++ TBAA"}