blob: d63b587af03955ecda1afaccd8d64baa1db50997 [file] [log] [blame]
; RUN: llc -march=mips -mcpu=mips32 -verify-machineinstrs -o /dev/null < %s
; Confirm that MachineInstr branch simplification preserves
; register operand flags, such as the <undef> flag.
define void @ham() {
bb:
%tmp = alloca i32, align 4
%tmp13 = ptrtoint ptr %tmp to i32
%tmp70 = icmp eq i32 undef, -1
br i1 %tmp70, label %bb72, label %bb40
bb72: ; preds = %bb72, %bb
br i1 undef, label %bb40, label %bb72
bb40: ; preds = %bb72, %bb
%tmp41 = phi i32 [ %tmp13, %bb72 ], [ %tmp13, %bb ]
%tmp55 = inttoptr i32 %tmp41 to ptr
%tmp58 = insertelement <2 x ptr> undef, ptr %tmp55, i32 1
br label %bb59
bb59: ; preds = %bb59, %bb40
%tmp60 = phi <2 x ptr> [ %tmp61, %bb59 ], [ %tmp58, %bb40 ]
%tmp61 = getelementptr i32, <2 x ptr> %tmp60, <2 x i32> <i32 -1, i32 1>
%tmp62 = extractelement <2 x ptr> %tmp61, i32 1
br label %bb59
}