llvm-project/llvm/test/CodeGen/Hexagon/swp-exit-fixup.ll

74 lines
2.3 KiB
LLVM

; RUN: llc -march=hexagon -enable-pipeliner < %s
; REQUIRES: asserts
; Make sure we fix up the Phis when we connect the last
; epilog block to the CFG.
define void @f0(i16* nocapture %a0) #0 {
b0:
br i1 undef, label %b1, label %b2
b1: ; preds = %b0
br label %b3
b2: ; preds = %b0
unreachable
b3: ; preds = %b3, %b1
br i1 undef, label %b4, label %b3
b4: ; preds = %b3
br i1 undef, label %b6, label %b5
b5: ; preds = %b4
store i16 4096, i16* %a0, align 2
br label %b11
b6: ; preds = %b4
br i1 undef, label %b7, label %b8
b7: ; preds = %b7, %b6
br label %b7
b8: ; preds = %b8, %b6
br i1 undef, label %b9, label %b8
b9: ; preds = %b8
%v0 = icmp sgt i32 undef, 1
br i1 %v0, label %b10, label %b11
b10: ; preds = %b10, %b9
%v1 = phi i32 [ %v8, %b10 ], [ 1, %b9 ]
%v2 = getelementptr inbounds [11 x i32], [11 x i32]* undef, i32 0, i32 %v1
%v3 = load i32, i32* undef, align 4
%v4 = add nsw i32 %v3, 0
%v5 = add nsw i32 %v4, 2048
%v6 = lshr i32 %v5, 12
%v7 = trunc i32 %v6 to i16
store i16 %v7, i16* undef, align 2
%v8 = add nsw i32 %v1, 1
%v9 = icmp eq i32 %v8, undef
br i1 %v9, label %b11, label %b10
b11: ; preds = %b10, %b9, %b5
%v10 = phi i1 [ false, %b9 ], [ false, %b5 ], [ %v0, %b10 ]
br i1 undef, label %b16, label %b12
b12: ; preds = %b11
br i1 undef, label %b13, label %b16
b13: ; preds = %b12
br i1 %v10, label %b14, label %b15
b14: ; preds = %b14, %b13
br i1 undef, label %b15, label %b14
b15: ; preds = %b14, %b13
br label %b16
b16: ; preds = %b15, %b12, %b11
ret void
}
attributes #0 = { nounwind "target-cpu"="hexagonv55" }